Table 4-1 Compatible Parts
5.0 GENERAL INSTALLATION INSTRUCTIONS
CAUTION:
~ DO NOT DISCONNECT THE BATTERY OR THE COMPUTER CONNECTORS WHILE THE
IGNITION IS ON.
~ DO NOT SHORT ANY WIRES IN THIS HARNESS TO GROUND (WITH THE EXCEPTION OF
LABELED GROUND WIRES) OR DAMAGE TO THE COMPUTER WILL RESULT.
~ GIVING OR RECEIVING A "JUMP START" MAY DAMAGE THE COMPUTER.
~ DO NOT USE A TEST LIGHT WHEN TESTING COMPUTER SENSORS OR COMPUTER
CIRCUITS. DAMAGE TO THE COMPUTER WILL RESULT!
~ WHEN ROUTING THE WIRES FOR THE VEHICLE SPEED SENSOR (IF USED) MAKE
CERTAIN THAT THEY ARE AT LEAST 12 INCHES AWAY FROM ANY IGNITION WIRING
(SPARK PLUG WIRES, ETC.).
Notes:
~ There is a normal, small current drain on these fuel injected systems.
~ Each connector in this harness is different and will not fit in the wrong place. NEVER FORCE ANY
CONNECTOR.
~ When connecting the plugs to the computer USE EXTREME CARE
to make sure none of the pins in
the computer are or become bent.
~ The fuel pump you are using MUST
be rated at a minimum of 45 PSI (pounds per square inch).
5.1 GROUNDING THE VEHICLE
A perfectly and beautifully wired automobile will nevertheless have problems if everything is not properly grounded.
Don't go to the effort to installing a quality wire harness only to neglect proper grounding.
Note: The installer of this harness is responsible for all ground wires not provided with this part.
5.1.1 Connect a ground strap or cable (minimum of a 4 Ga. wire) from the negative battery terminal to
the chassis (frame).
5.1.2 Connect a ground strap (minimum of a 4 Ga. wire) from the engine to the chassis (frame). DO
NOT RELY UPON THE MOTOR MOUNTS TO MAKE THIS CONNECTION.
5.1.3 Connect a ground strap from the engine to the body.
3
LT1 Fuel Injection Harness (94 & 95) Part # 60502 or 60505
Main Computer............................Service#16188051 EGR. Solenoid................................ Delco# 214-396
Brake Switch.....................................GM# 25524845 Gear Indicator Switch..................GM# 15705308 or
Intake Air Temperature.....................GM# 12110319 Delco #D2286A
Ignition Module.............................Delco# D-1986-A MAP Sensor ....................................GM# 16137039
Fuel Pump Relay...GM# 14089936 Delco# 15-8240 Idle Air Control ................................GM# 17113099
Coolant Temperature Sensor ..........GM# 25036979 Knock Sensor ...................................Delco# 213-96
Coil.......................................................Delco# D-573 Air Pump Relay....GM# 14100455 Delco# 15-8426
Oxygen Sensors...GM# 25312184 or Delco# AFS 75 Air Pump......................................Delco# 2604-4885
TPS Sensor.........................................GM# 17106680 MAF Sensor.....................................Delco# 213-252
Canister Purge Solenoid GM# 1997201 Delco# 214-565
NOTE: Components with part numbers other then the ones listed may plug into the 60502 or 60505
harness, but the part numbers MUST match the ones on this list for proper operation. An adapter is
included to adapt the 4-pin square IAC connector to the '94-'96 flat 4-pin connector.
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