FuelTech FT700 pinout
ecurecovery.com/pinouts/fueltech/ft700 · Every pin checked against 2 FuelTech documents · data checked 2026-11-04
Pinout
FuelTech FT700 pinout
Every pin of the 34-pin A, 34-pin B, 26-pin C, and 26-pin D connectors, with the wire colours of FuelTech's harness. Tap a pin to see what it does.
Every pin checked against 2 FuelTech documentsPick any pin on the drawing or in the table to see its function, its wire colour and the documents it was checked in.
FuelTech FT700 connector A pinout (34-pin)
| Pin | Function | Wire | FuelTech note |
|---|---|---|---|
| A1 | Blue output #01 | Blue#01Blue | These outputs are usually used for injector control. When needed, they can be configured as auxiliary outputs. |
| A2 | Blue output #02 | Blue#02Blue | These outputs are usually used for injector control. When needed, they can be configured as auxiliary outputs. |
| A3 | Blue output #03 | Blue#03Blue | These outputs are usually used for injector control. When needed, they can be configured as auxiliary outputs. |
| A4 | Blue output #04 | Blue#04Blue | These outputs are usually used for injector control. When needed, they can be configured as auxiliary outputs. |
| A5 | Blue output #05 | Blue#05Blue | These outputs are usually used for injector control. When needed, they can be configured as auxiliary outputs. |
| A6 | Blue output #06 | Blue#06Blue | These outputs are usually used for injector control. When needed, they can be configured as auxiliary outputs. |
| A7 | Blue output #07 | Blue#07Blue | These outputs are usually used for injector control. When needed, they can be configured as auxiliary outputs. |
| A8 | Blue output #08 | Blue#08Blue | These outputs are usually used for injector control. When needed, they can be configured as auxiliary outputs. |
| A9 | Blue output #09 | Blue#09Blue | These outputs are usually used for injector control. When needed, they can be configured as auxiliary outputs. |
| A10 | Blue output #10 | Blue#10Blue | These outputs are usually used for injector control. When needed, they can be configured as auxiliary outputs. |
| A11 | Blue output #11 | Blue#11Blue | These outputs are usually used for injector control. When needed, they can be configured as auxiliary outputs. |
| A12 | Blue output #12 | Blue#12Blue | These outputs are usually used for injector control. When needed, they can be configured as auxiliary outputs. |
| A13 | Blue output #13 | Blue#13Blue | These outputs are usually used for injector control. When needed, they can be configured as auxiliary outputs. |
| A14 | Blue output #14 | Blue#14Blue | These outputs are usually used for injector control. When needed, they can be configured as auxiliary outputs. |
| A15 | Blue output #15 | Blue#15Blue | These outputs are usually used for injector control. When needed, they can be configured as auxiliary outputs. |
| A16 | Blue output #16 | Blue#16Blue | These outputs are usually used for injector control. When needed, they can be configured as auxiliary outputs. |
| A17 | Power ground | Black/White | Directly wired to the battery negative terminal with no seams. Do not tap any other grounds to this wire, it must run clean straight to the battery negative terminal. |
| A18 | Gray output#01 | Gray#01Grey | These outputs are usually used for ignition control. When needed, they can be set up as injector outputs (Peak and Hold driver required) By standard, Gray output #08 is used as a tachometer output. |
| A19 | Gray output#02 | Gray#02Grey | These outputs are usually used for ignition control. When needed, they can be set up as injector outputs (Peak and Hold driver required) By standard, Gray output #08 is used as a tachometer output. |
| A20 | Gray output#03 | Gray#03Grey | These outputs are usually used for ignition control. When needed, they can be set up as injector outputs (Peak and Hold driver required) By standard, Gray output #08 is used as a tachometer output. |
| A21 | Gray output#04 | Gray#04Grey | These outputs are usually used for ignition control. When needed, they can be set up as injector outputs (Peak and Hold driver required) By standard, Gray output #08 is used as a tachometer output. |
| A22 | Gray output#05 | Gray#05Grey | These outputs are usually used for ignition control. When needed, they can be set up as injector outputs (Peak and Hold driver required) By standard, Gray output #08 is used as a tachometer output. |
| A23 | Gray output#06 | Gray#06Grey | These outputs are usually used for ignition control. When needed, they can be set up as injector outputs (Peak and Hold driver required) By standard, Gray output #08 is used as a tachometer output. |
| A24 | Gray output#07 | Gray#07Grey | These outputs are usually used for ignition control. When needed, they can be set up as injector outputs (Peak and Hold driver required) By standard, Gray output #08 is used as a tachometer output. |
| A25 | Gray output#08 | Gray#08Grey | These outputs are usually used for ignition control. When needed, they can be set up as injector outputs (Peak and Hold driver required) By standard, Gray output #08 is used as a tachometer output. |
| A26 | Yellow output#01 | Yellow#01Yellow | Electronic throttle and step motor outputs. Also used as injection or auxiliary outputs (cooling fan, fuel pump, etc.) |
| A27 | Yellow output#02 | Yellow#02Yellow | Electronic throttle and step motor outputs. Also used as injection or auxiliary outputs (cooling fan, fuel pump, etc.) |
| A28 | Yellow output#03 | Yellow#03Yellow | Electronic throttle and step motor outputs. Also used as injection or auxiliary outputs (cooling fan, fuel pump, etc.) |
| A29 | Yellow output#04 | Yellow#04Yellow | Electronic throttle and step motor outputs. Also used as injection or auxiliary outputs (cooling fan, fuel pump, etc.) |
| A30 | Yellow output#05 | Yellow#05Yellow | Electronic throttle and step motor outputs. Also used as injection or auxiliary outputs (cooling fan, fuel pump, etc.) |
| A31 | Yellow output#06 | Yellow#06Yellow | Electronic throttle and step motor outputs. Also used as injection or auxiliary outputs (cooling fan, fuel pump, etc.) |
| A32 | Yellow output#07 | Yellow#07Yellow | Electronic throttle and step motor outputs. Also used as injection or auxiliary outputs (cooling fan, fuel pump, etc.) |
| A33 | Yellow output#08 | Yellow#08Yellow | Electronic throttle and step motor outputs. Also used as injection or auxiliary outputs (cooling fan, fuel pump, etc.) |
| A34 | 12V input from relay | Red | Connected to the pin 87 of the Main Relay. |
FuelTech FT700 connector B pinout (34-pin)
| Pin | Function | Wire | FuelTech note |
|---|---|---|---|
| B1 | RPM signal input | Red | Connected to the crank trigger sensor (hall or magnetic) or to the distributor. |
| B2 | Magnetic RPM sensor reference | White | Connected to the negative wire of the magnetic sensor, split the wire with OEM reference sensor - Do not connect when using hall effect sensor. |
| B3 | Cam sync signal input | Red | Connected to the cam sync sensor (hall or magnetic) |
| B4 | Cam sync reference input | White | Connected to the negative wire of the magnetic sensor. When OEM ECU is reading the sensor in parallel, split this wire with OEM sensor negative - Do not use the shield as negative to the sensor |
| B5 | White input#01 * | White#01White | Default: O2 sensor input |
| B6 | White input#02 * | White#02White | Default: two-step input |
| B7 | White input#03 * | White#03White | Default: Air conditioning button |
| B8 | White input#04 * | White#04White | Default: Oil pressure |
| B9 | White input#05 * | White#05White | Default: Coolant temperature |
| B10 | Battery negative | Black | Connected directly to the battery negative with no seams. Do not connect this wire to the chassis, engine block or head. |
| B11 | CAN A LOW | Yellow/Blue | CAN A |
| B12 | CAN A HIGH | White/Red | CAN A |
| B13 | White input#06 * | White#06White | Default: fuel pressure |
| B14 | White input#07 * | White#07White | Default: Air temperature |
| B15 | White input#08 * | White#08White | Default: pedal#2 signal input |
| B16 | White input#09 * | White#09White | Default: pedal#1 signal input |
| B17 | White input#10 * | White#10White | Default: MAP signal output, electronic throttle 1B input signal |
| B18 | Power ground | Black/White | Directly wired to the battery negative terminal with no seams. Do not tap any other grounds to this wire, it must run clean straight to the battery negative terminal. |
| B19 | Power ground | Black/White | Directly wired to the battery negative terminal with no seams. Do not tap any other grounds to this wire, it must run clean straight to the battery negative terminal. |
| B20 | CAN B HIGH | White/Red | |
| B21 | White input#11 * | White#11White | Default: TPS sensor |
| B22 | White input#12 | White#12White | Generic sensor input |
| B23 | White input#13 | White#13White | Generic sensor input |
| B24 | White input#14 | White#14White | Generic sensor input |
| B25 | White input#15 | White#15White | Generic sensor input |
| B26 | 12V input from relay | Red | Connected to the pin 87 of the Main Relay |
| B27 | 5V outputs for sensors | Green/Red | 5V voltage output for TPS, electronic throttle and pedal sensors |
| B28 | CAN B LOW | Yellow/Blue | |
| B29 | Ground for sensors | Green/Black | Connected the sensors ground |
| B30 | White input#16 | White#16White | Generic sensor input |
| B31 | White input#17 | White#17White | Generic sensor input |
| B32 | White input#18 | White#18White | Generic sensor input |
| B33 | White input#19 | White#19White | Strain gauge input - Blue wire Strain gage sensor (positive signal) |
| B34 | White input#20 | White#20White | Strain gauge input - Orange wire Strain gage sensor (negative signal) |
FuelTech FT700 connector C pinout (26-pin)
| Pin | Function | Wire | FuelTech note |
|---|---|---|---|
| C1 | 12V input from relay | Red | Connected to the pin 87 of the Main Relay |
| C2 | 12V input from relay | Red | Connected to the pin 87 of the Main Relay |
| C3 | 12V input from relay | Red | Connected to the pin 87 of the Main Relay |
| C4 | Gray output #09 | Gray #09Grey | These outputs are usually used for ignition control. When needed, they can be set up as injector outputs or auxiliary outputs. |
| C5 | Gray output #10 | Gray #10Grey | These outputs are usually used for ignition control. When needed, they can be set up as injector outputs or auxiliary outputs. |
| C6 | Gray output #11 | Gray #11Grey | These outputs are usually used for ignition control. When needed, they can be set up as injector outputs or auxiliary outputs. |
| C7 | Gray output #12 | Gray #12Grey | These outputs are usually used for ignition control. When needed, they can be set up as injector outputs or auxiliary outputs. |
| C8 | Yellow output #09 | Yellow #09Yellow | Electronic throttle and step motor outputs. Also used as injection or auxiliary outputs (cooling fan, fuel pump, etc.) |
| C9 | Yellow output #10 | Yellow #10Yellow | Electronic throttle and step motor outputs. Also used as injection or auxiliary outputs (cooling fan, fuel pump, etc.) |
| C10 | Yellow output #11 | Yellow #11Yellow | Electronic throttle and step motor outputs. Also used as injection or auxiliary outputs (cooling fan, fuel pump, etc.) |
| C11 | Yellow output #12 | Yellow #12Yellow | Electronic throttle and step motor outputs. Also used as injection or auxiliary outputs (cooling fan, fuel pump, etc.) |
| C12 | Yellow output #13 | Yellow #13Yellow | Electronic throttle and step motor outputs. Also used as injection or auxiliary outputs (cooling fan, fuel pump, etc.) |
| C13 | Yellow output #14 | Yellow #14Yellow | Electronic throttle and step motor outputs. Also used as injection or auxiliary outputs (cooling fan, fuel pump, etc.) |
| C14 | Yellow output #15 | Yellow #15Yellow | Electronic throttle and step motor outputs. Also used as injection or auxiliary outputs (cooling fan, fuel pump, etc.) |
| C15 | Yellow output #16 | Yellow #16Yellow | Electronic throttle and step motor outputs. Also used as injection or auxiliary outputs (cooling fan, fuel pump, etc.) |
| C16 | Yellow output #17 | Yellow #17Yellow | Electronic throttle and step motor outputs. Also used as injection or auxiliary outputs (cooling fan, fuel pump, etc.) |
| C17 | Yellow output #18 | Yellow #18Yellow | Electronic throttle and step motor outputs. Also used as injection or auxiliary outputs (cooling fan, fuel pump, etc.) |
| C18 | CAN C (+) | White/Red | CAN C |
| C19 | CAN C (-) | Blue/Yellow | CAN C |
| C20 | Yellow output #19 | Yellow #19Yellow | Electronic throttle and step motor outputs. Also used as injection or auxiliary outputs (cooling fan, fuel pump, etc.) |
| C21 | Yellow output #20 | Yellow #20Yellow | Electronic throttle and step motor outputs. Also used as injection or auxiliary outputs (cooling fan, fuel pump, etc.) |
| C22 | Heat positive O2 sensor | Green | Power supply for O2 sensor heaters 1 and 2 ***. |
| C23 | Heat positive O2 sensor | Green | Power supply for O2 sensor heaters 1 and 2 ***. |
| C24 | Power ground | Black/White | Directly wired to the battery negative terminal with no seams. Do not tap any other grounds to this wire, it must run clean straight to the battery negative terminal. |
| C25 | Power ground | Black/White | Directly wired to the battery negative terminal with no seams. Do not tap any other grounds to this wire, it must run clean straight to the battery negative terminal. |
| C26 | Power ground | Black/White | Directly wired to the battery negative terminal with no seams. Do not tap any other grounds to this wire, it must run clean straight to the battery negative terminal. |
FuelTech FT700 connector D pinout (26-pin)
| Pin | Function | Wire | FuelTech note |
|---|---|---|---|
| D1 | Input frequency channel #01 | Red | Shielded cable for reading RPM and speed signals - Frequency #01 |
| D2 | Input frequency channel #01 | White | Shielded cable for reading RPM and speed signals - Frequency #01 |
| D3 | Input frequency channel #02 | Red | Shielded cable for reading RPM and speed signals - Frequency #02 |
| D4 | Input frequency channel #02 | White | Shielded cable for reading RPM and speed signals - Frequency #02 |
| D5 | Input frequency channel #03 | Red | Shielded cable for reading RPM and speed signals - Frequency #03 |
| D6 | Input frequency channel #03 | White | Shielded cable for reading RPM and speed signals - Frequency #03 |
| D7 | Input frequency channel #04 | Red | Shielded cable for reading RPM and speed signals - Frequency #04 |
| D8 | Input frequency channel #04 | White | Shielded cable for reading RPM and speed signals - Frequency #04 |
| D9 | Input for high speed reading #01 | Pink #01Pink | Used for high speed sensors (400khz per channel) |
| D10 | Input for high speed reading #02 | Pink #02Pink | Used for high speed sensors (400khz per channel) |
| D11 | Input for high speed reading #03 | Pink #03Pink | Used for high speed sensors (400khz per channel) |
| D12 | Input for high speed reading #04 | Pink #04Pink | Used for high speed sensors (400khz per channel) |
| D13 | Input for high speed reading #05 | Pink #05Pink | Used for high speed sensors (400khz per channel) |
| D14 | Input for high speed reading #06 | Pink #06Pink | Used for high speed sensors (400khz per channel) |
| D15 | Input for high speed reading #07 | Pink #07Pink | Used for high speed sensors (400khz per channel) |
| D16 | Input for high speed reading #08 | Pink #08Pink | Used for high speed sensors (400khz per channel) |
| D17 | Signal | Brown | Connected O2 sensor #1 NOTE: The Heat positive signal sensor is in connector C, green wire (pin 22) |
| D18 | Ground | Yellow | Connected O2 sensor #1 NOTE: The Heat positive signal sensor is in connector C, green wire (pin 22) |
| D19 | IP | Red | Connected O2 sensor #1 NOTE: The Heat positive signal sensor is in connector C, green wire (pin 22) |
| D20 | Resistor calibration | Orange | Connected O2 sensor #1 NOTE: The Heat positive signal sensor is in connector C, green wire (pin 22) |
| D21 | Heater negative | Blue | Connected O2 sensor #1 NOTE: The Heat positive signal sensor is in connector C, green wire (pin 22) |
| D22 | Signal | Brown | Connected O2 sensor #2 NOTE: The Heat positive signal sensor is in connector C, green wire (pin 23) |
| D23 | Ground | Yellow | Connected O2 sensor #2 NOTE: The Heat positive signal sensor is in connector C, green wire (pin 23) |
| D24 | IP | Red | Connected O2 sensor #2 NOTE: The Heat positive signal sensor is in connector C, green wire (pin 23) |
| D25 | Resistor calibration | Orange | Connected O2 sensor #2 NOTE: The Heat positive signal sensor is in connector C, green wire (pin 23) |
| D26 | Heater negative | Blue | Connected O2 sensor #2 NOTE: The Heat positive signal sensor is in connector C, green wire (pin 23) |
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Check my map freeFuelTech FT700 pins at a glance
- Which pins are CAN on the FuelTech FT700?
- CAN A LOW: pin B11 (Yellow/Blue). CAN A HIGH: pin B12 (White/Red). CAN B HIGH: pin B20 (White/Red). CAN B LOW: pin B28 (Yellow/Blue). CAN C (+): pin C18 (White/Red). CAN C (-): pin C19 (Blue/Yellow).
- Which pins are the crank and cam inputs on the FuelTech FT700?
- RPM signal input: pin B1 (Red). Magnetic RPM sensor reference: pin B2 (White). Cam sync signal input: pin B3 (Red). Cam sync reference input: pin B4 (White).
- Which pins are the injector outputs on the FuelTech FT700?
- Blue output #01: pin A1 (Blue#01). Blue output #02: pin A2 (Blue#02). Blue output #03: pin A3 (Blue#03). Blue output #04: pin A4 (Blue#04). Blue output #05: pin A5 (Blue#05). Blue output #06: pin A6 (Blue#06). Blue output #07: pin A7 (Blue#07). Blue output #08: pin A8 (Blue#08). Blue output #09: pin A9 (Blue#09). Blue output #10: pin A10 (Blue#10). Blue output #11: pin A11 (Blue#11). Blue output #12: pin A12 (Blue#12). Blue output #13: pin A13 (Blue#13). Blue output #14: pin A14 (Blue#14). Blue output #15: pin A15 (Blue#15). Blue output #16: pin A16 (Blue#16).
- Which pins are the ignition outputs on the FuelTech FT700?
- Gray output#01: pin A18 (Gray#01). Gray output#02: pin A19 (Gray#02). Gray output#03: pin A20 (Gray#03). Gray output#04: pin A21 (Gray#04). Gray output#05: pin A22 (Gray#05). Gray output#06: pin A23 (Gray#06). Gray output#07: pin A24 (Gray#07). Gray output#08: pin A25 (Gray#08). Gray output #09: pin C4 (Gray #09). Gray output #10: pin C5 (Gray #10). Gray output #11: pin C6 (Gray #11). Gray output #12: pin C7 (Gray #12).
- Which pins are ground on the FuelTech FT700?
- Power ground: pins A17, B18, B19, C24, C25, C26 (Black/White).
- Which pins power the FuelTech FT700?
- 12V input from relay: pins A34, B26, C1, C2, C3 (Red).
- Which pins are the sensor supplies on the FuelTech FT700?
- 5V outputs for sensors: pin B27 (Green/Red).
- Which pins are the wideband sensor connections on the FuelTech FT700?
- Heat positive O2 sensor: pins C22, C23 (Green). Signal: pins D17, D22 (Brown). Ground: pins D18, D23 (Yellow). IP: pins D19, D24 (Red). Resistor calibration: pins D20, D25 (Orange). Heater negative: pins D21, D26 (Blue).
FuelTech FT700 pinout sheet
A printable sheet with the connector drawings and every pin, made from the checked data on this page.
Where this comes from
Only FuelTech's own documents. Pin names and notes are written exactly as FuelTech writes them.
FuelTech FT700 / FT700PLUS complete manual
FuelTech FT700 quick reference
FuelTech PRO600 GEN III wiring harness manual
How we checked it
- We start from the pin table in FuelTech's manual for this ECU: pin, wire colour and function.
- Every pin is read again in a second FuelTech document: its harness manuals, which list each ECU pin with its wire colour, or for the FT700 its quick reference. A script compares them pin by pin.
- A pin is only shown when the second document gives the same wire colour and function. FuelTech names its general-purpose wires by colour and number (Blue #1 is blue output 1), so the number has to match too.
- Labels, notes and wire colours are written exactly as FuelTech writes them.
Where FuelTech's documents disagree
B18: FuelTech's PRO600 GEN III harness manual (written for the FT600 and FT700) lists this wire as Black, to the battery negative. The FT700 manual and quick reference list it as Black/White power ground. Shown: Black/White, as in the ECU's own documents.
B19: FuelTech's PRO600 GEN III harness manual (written for the FT600 and FT700) lists this wire as Black, to the battery negative. The FT700 manual and quick reference list it as Black/White power ground. Shown: Black/White, as in the ECU's own documents.
ECU Recovery is not affiliated with FuelTech. FuelTech and its product names are trademarks of FuelTech. If your harness came with its own diagram, check your wiring against it.
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