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Painless Engine Harness GM LT1 1992-1997
This harness is designed for 1992-1997 5.7L LT1/LT4 & 4.3L V8 L99 engines with a 4L60E transmission using a '94-'97 ECM. This harness will not work with '92-'93 ECMs. These engines and transmissions were factory equipped in Camaro, Firebird, Corvette, Roadmaster, Impala and Caprice. These harnesses also include a VATS bypass module. The 4L60E transmission used must be a 1994+ which utilizes a 13th pin on the transmission connector. When using either of these harnesses on a '96 or '97 engine, you must replace the coil, coil output wire, and knock sensor with the parts from a '92-'95 engine. Included with this harness is an 8 circuit modular fuse block and GM color coded wires with labels for easy installation.
The standard length harness allows four feet from the back of the intake manifold to where the fuse block and ECM mount. Perfect for those that plan to mount these components under the dash or in the glove box.
This kit includes:
- All new fuel injection harness with OEM fitment connectors and harness breakouts
- OBDII connector, mounting bracket and check engine light
- Vehicle Anti-Theft System (VATS) bypass module
- Rubber grommet
- Mounting hardware
- Installation manual
This harness requires the following mating parts: ECM #16188051 or #88961150.
The fuse block protects the following circuits:
- Air Pump
- Driver Side Injectors
- Dual 40 amp Ignition Relays
- ECM & Data Link Connector
- Fuel Pump, ECM & Mass Airflow Sensor
- Heated O2 Sensors, EGR, & Canister Purge Solenoid
- Malfunction Indicator Lamp & Brake Switch
- Pass Side Injectors
- Transmission
This harness includes connections for the following components:
- Air Pump
- Air Pump Relay
- Brake Switch
- Canister Purge Solenoid
- Data Link Connector
- Distributor
- Driver/Pass Front O2 Sensors
- ECM
- EGR Valve
- Engine Coolant Temperature
- Fan #1 Relay Ground ECM Activation
- Fan #2 Relay Ground ECM Activation
- Fuel Pump
- Fuel Pump Relay
- Fuel Pump Test
- Gear Indicator Switch
- Grounds
- Idle Air Control
- Ignition Coil
- Ignition Module
- Ignition Switch Signal
- Injectors
- Intake Air Temperature Sensor
- Knock Sensors
- Malfunction Indicator Lamp
- MAP Sensor
- Mass Airflow Sensor
- Starter
- Tachometer
- Throttle Position Sensor
- Transmission
- VATS
- Vehicle Speed Sensor
- VSS Output for Speedometer
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