Haltech Nexus Rebel LS pinout
ecurecovery.com/pinouts/haltech/nexus-rebel-ls · Every pin checked against 2 Haltech documents · data checked 2026-11-01
Pinout
Haltech Nexus Rebel LS pinout
Every pin of the 34-pin A, 34-pin C, and 4-pin E connectors, with the wire colours of Haltech's harness. Tap a pin to see what it does.
Every pin checked against 2 Haltech documentsPick any pin on the drawing or in the table to see its function, its wire colour and the documents it was checked in.
Haltech Nexus Rebel LS connector A pinout (34-pin)
| Pin | Function | Wire |
|---|---|---|
| A1 | Injector 1 | LBlue |
| A2 | Injector 2 | L/BBlue with black stripe |
| A3 | Injector 3 | L/BRBlue with brown stripe |
| A4 | Injector 4 | L/RBlue with red stripe |
| A5 | Injector 5 | L/OBlue with orange stripe |
| A6 | Injector 6 | L/YBlue with yellow stripe |
| A7 | Injector 7 | L/GBlue with green stripe |
| A8 | Injector 8 | L/VBlue with violet stripe |
| A9 | Outputs / DPO 1 | V/BViolet with black stripe |
| A10 | Power ground output | BBlack |
| A11 | Power ground output | BBlack |
| A12 | Outputs / DPO 2 | V/BRViolet with brown stripe |
| A13 | Ignition switch input | PPink |
| A14 | Outputs / DPO 3 | V/RViolet with red stripe |
| A15 | Outputs / DPO 4 | V/OViolet with orange stripe |
| A16 | Outputs / DPO 5 | V/YViolet with yellow stripe |
| A17 | Tacho output | V/GViolet with green stripe |
| A18 | Transmission supply | P/RPink with red stripe |
| A19 | Throttle / IAC 1 | BR/BBrown with black stripe |
| A20 | Throttle / IAC 2 | BR/RBrown with red stripe |
| A21 | Throttle / IAC 3 | BR/GBrown with green stripe |
| A22 | Throttle / IAC 4 | BR/PBrown with pink stripe |
| A23 | CAN High | WWhite |
| A24 | CAN Low | LBlue |
| A25 | CAN supply | P/BRPink with brown stripe |
| A26 | Not used | - |
| A27 | Ignition 1 | Y/BYellow with black stripe |
| A28 | Ignition 2 | Y/RYellow with red stripe |
| A29 | Ignition 3 | Y/OYellow with orange stripe |
| A30 | Ignition 4 | Y/GYellow with green stripe |
| A31 | Ignition 5 | Y/BRYellow with brown stripe |
| A32 | Ignition 6 | Y/LYellow with blue stripe |
| A33 | Ignition 7 | Y/VYellow with violet stripe |
| A34 | Ignition 8 | Y/GYYellow with grey stripe |
Haltech Nexus Rebel LS connector C pinout (34-pin)
| Pin | Function | Wire |
|---|---|---|
| C1 | Crank | YYellow |
| C2 | Not used | - |
| C3 | Cam | YYellow |
| C4 | Not used | - |
| C5 | Inputs / SPI 1 | GY/BRGrey with brown stripe |
| C6 | Inputs / SPI 2 | GY/RGrey with red stripe |
| C7 | Inputs / SPI 3 | GY/OGrey with orange stripe |
| C8 | Inputs / SPI 4 | GY/YGrey with yellow stripe |
| C9 | Crank / Cam supply | O/WOrange with white stripe |
| C10 | Inputs / AVI 1 | WWhite |
| C11 | Inputs / AVI 2 | W/YWhite with yellow stripe |
| C12 | Fuel pressure | W/GYWhite with grey stripe |
| C13 | Oil pressure | W/VWhite with violet stripe |
| C14 | MAP | W/GWhite with green stripe |
| C15 | Throttle TPS 1 | W/OWhite with orange stripe |
| C16 | Throttle TPS 2 | W/BWhite with black stripe |
| C17 | APP 1 | W/BRWhite with brown stripe |
| C18 | APP 2 | W/RWhite with red stripe |
| C19 | Transmission | GY/PGrey with pink stripe |
| C20 | Transmission / VSS | GY/LGGrey with light green stripe |
| C21 | Not used | - |
| C22 | Not used | - |
| C23 | Knock odd | B/LBlack with blue stripe |
| C24 | Knock even | B/GBlack with green stripe |
| C25 | +5V sensor supply | OOrange |
| C26 | Sensor ground | B/WBlack with white stripe |
| C27 | Coolant temperature | LGLight green |
| C28 | Air temperature | LG/BLight green with black stripe |
| C29 | WBI 1 Heater + | GYGrey |
| C30 | WBI 1 Input | YYellow |
| C31 | WBI 1 Pump | RRed |
| C32 | WBI 1 Nernst | BBlack |
| C33 | WBI 1 Heater - | WWhite |
| C34 | WBI 1 Cal | GGreen |
Haltech Nexus Rebel LS connector E pinout (4-pin)
| Pin | Function | Wire |
|---|---|---|
| E1 | AX25+ (Auxiliary 25A) | R/LRed with blue stripe |
| E2 | Fuel pump | R/YRed with yellow stripe |
| E3 | Fan | R/ORed with orange stripe |
| E4 | Injector / Ignition supply | R/GRed with green stripe |
Haltech Nexus Rebel LS pins at a glance
- Which pins are CAN on the Haltech Nexus Rebel LS?
- CAN High: pin A23 (White, W). CAN Low: pin A24 (Blue, L).
- Which pins are the crank and cam inputs on the Haltech Nexus Rebel LS?
- Crank: pin C1 (Yellow, Y). Cam: pin C3 (Yellow, Y).
- Which pins are the injector outputs on the Haltech Nexus Rebel LS?
- Injector 1: pin A1 (Blue, L). Injector 2: pin A2 (Blue with black stripe, L/B). Injector 3: pin A3 (Blue with brown stripe, L/BR). Injector 4: pin A4 (Blue with red stripe, L/R). Injector 5: pin A5 (Blue with orange stripe, L/O). Injector 6: pin A6 (Blue with yellow stripe, L/Y). Injector 7: pin A7 (Blue with green stripe, L/G). Injector 8: pin A8 (Blue with violet stripe, L/V).
- Which pins are the ignition outputs on the Haltech Nexus Rebel LS?
- Ignition 1: pin A27 (Yellow with black stripe, Y/B). Ignition 2: pin A28 (Yellow with red stripe, Y/R). Ignition 3: pin A29 (Yellow with orange stripe, Y/O). Ignition 4: pin A30 (Yellow with green stripe, Y/G). Ignition 5: pin A31 (Yellow with brown stripe, Y/BR). Ignition 6: pin A32 (Yellow with blue stripe, Y/L). Ignition 7: pin A33 (Yellow with violet stripe, Y/V). Ignition 8: pin A34 (Yellow with grey stripe, Y/GY).
- Which pins are ground on the Haltech Nexus Rebel LS?
- Power ground output: pins A10, A11 (Black, B). Sensor ground: pin C26 (Black with white stripe, B/W).
- Which pins power the Haltech Nexus Rebel LS?
- Ignition switch input: pin A13 (Pink, P).
- Which pins are the sensor supplies on the Haltech Nexus Rebel LS?
- +5V sensor supply: pin C25 (Orange, O).
- Which pins are the wideband sensor connections on the Haltech Nexus Rebel LS?
- WBI 1 Heater +: pin C29 (Grey, GY). WBI 1 Input: pin C30 (Yellow, Y). WBI 1 Pump: pin C31 (Red, R). WBI 1 Nernst: pin C32 (Black, B). WBI 1 Heater -: pin C33 (White, W). WBI 1 Cal: pin C34 (Green, G).
Haltech Nexus Rebel LS 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 Haltech's own documents. Pin names and notes are written exactly as Haltech writes them.
Haltech pinout table (support site)
Haltech harness quick start guide
Haltech wire colour codes
- B = Black
- BR = Brown
- G = Green
- GY = Grey
- L = Blue
- O = Orange
- P = Pink
- R = Red
- V = Violet
- Y = Yellow
- W = White
- LG = Light green
Two letters: the first is the wire colour, the second is the stripe.
How we checked it
- We start from Haltech's pinout table for this ECU.
- We read every pin again from a second Haltech document, the wiring diagram or the quick start guide. A script compares the two, pin by pin.
- A pin is only shown when its function and its wire colour match in both. Where a diagram has no text to read, we read the pins off the drawing itself.
- The notes are Haltech's own words from its pinout table.
ECU Recovery is not affiliated with Haltech. Haltech and its product names are trademarks of Haltech. If your harness came with its own diagram, check your wiring against it.
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