Painless Wiring GM Gen III LS Wiring Harness
Description
Painless GM Gen III LS Swap Wiring Harness makes your Jeep engine swap a simple task! This standard length harness allows four feet from the back of the intake manifold to where the fuseblock and ECM mount, perfect for those that plan to mount these components under the dash or in the glove box. This harness supports both flex and non flex fuel engines, (Flex fuel engines will require an inline fuel composition sensor in order to run E85). Included is a 10 circuit weatherproof fuse block & mounting bracket with GM color coded wires and labels for easy installation. Requires manual transmission or 4L60E, 4L65E, 4L80E, or 4L85E automatic transmission.
Please Note : This harness is standalone and is not intended to replace the OEM engine wiring.
Made in the USA.
Please Note : This harness is standalone and is not intended to replace the OEM engine wiring.
Made in the USA.
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Details
Number of Circuits: 10 Fuses with 2 Ignition, 1 Cooling Fan & 1 Fuel Pump Relay
Harness Length: 4 Feet Between Engine and ECM
Fuse Type: Mini Blade
This harness includes connections for the following components:
![Skill Level 3 Icon]()
Level 3Advanced
OBDII Connector
Mounting Bracket and Check Engine Light
Rubber Firewall Grommet
Mounting Hardware
Harness Length: 4 Feet Between Engine and ECM
Fuse Type: Mini Blade
This harness includes connections for the following components:
- A/C Request
- Accelerator Pedal Position Sensor
- Alternator
- Brake Switch
- Cam Position Sensor
- Cooling Fans
- Crank Position Sensor
- Cruise Control
- Data Link Connector
- Driver/Pass Front O2 Sensors
- ECM
- Engine Coolant Temperature
- Fuel Compensation Sensor
- Fuel Pump
- Fuel Pump Test
- Grounds
- Ignition Coils
- Ignition Switch Signal
- Injectors - Gas & Flex Fuel Sub-Harness
- Input Speed Sensor
- Knock Sensors
- Malfunction Indicator Lamp
- MAP Sensor
- Mass Airflow / Intake Air Temperature Sensor
- Output Speed Sensor
- Park/Neutral Switch
- Reverse Lights
- Starter
- Starter Relay Activation
- Tachometer
- Throttle Actuator Control Module
- Throttle Actuator Control Module to Accelerator Pedal Pigtail
- Throttle Body
- Transmission
- VSS Output for Speedometer
- Knock Sensor Pigtail
Installation Notes
Installation Difficulty:
Level 3AdvancedInstallation Time: 8-10 hours
Mechanical Throttle (60217)
Wired Throttle (60221)
Parts Included
EFI Harness with OEM ConnectorsOBDII Connector
Mounting Bracket and Check Engine Light
Rubber Firewall Grommet
Mounting Hardware
Warranty
Limited Lifetime - Engine Size: GM Generation III V-8
- Engine Fuel: Gasoline
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Painless Wiring GM Gen III LS Wiring Harness Options
| Part Number | Catalog # | Throttle Type | Price | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 60221 | 17004-0131 | with Electric Wired Throttle | $715.99 | ||||||
| 60217 | 17004-0130 | with Mechanical Throttle | $579.99 |
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