LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 1996 >> Forward Control 7.4 J >> Repair and Diagnosis >> Electrical >> Component Locations >> Electrical Component Locator >> Connectors
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Electrical Component Locator: Connectors

CONNECTORS

Component Component Location
C100 (Commercial Van) (Black, 7 Pin) Near windshield wiper motor.
C100 (Motor Home) (Gray, 36 Pin) Near relay bracket.
C100A (Black, 20 Pin) Below battery junction box.
C100B (Black, 10 Pin) Below battery junction box.
C100C (Black, 6 Pin) Below battery junction box.
C101 (Black, 7 Pin) Above left rear of intake manifold.
C102 (Commercial Van) (Black, 3 Pin) Approximately, 15 cm from ignition control module.
C102 (Motor Home) At right front of engine.
C103 (Commercial Van) (4.3L VIN W) (Black, 3 Pin) Approximately, 27 cm from main harness in-line to park brake actuator.
C103 (Commercial Van) (5.7L VIN R) (Black, 3 Pin) Approximately, 27 cm from main harness in-line to park brake actuator.
C103 (Commercial Van) (6.5L VIN F) (Black, 3 Pin) Approximately, 10 cm from main harness in-line to park brake actuator.
C103 (Commercial Van) (7.4 VIN J) (Black, 3 Pin) Approximately, 27 cm from main harness in-line to park brake actuator.
C103 (Commercial Van) (7.4 VIN N) (Black, 3 Pin) Approximately, 10 cm from main harness in-line to park brake actuator.
C104 (Commercial Van) (4.3L VIN W) (Black, 2 Pin) Approximately, 27 cm from main harness in-line to park brake actuator.
C104 (Commercial Van) (5.7L VIN R) (Black, 2 Pin) Approximately, 27 cm from main harness in-line to park brake actuator.
C104 (Commercial Van) (6.5L VIN F) (Black, 2 Pin) Approximately, 10 cm from main harness in-line to park brake actuator.
C104 (Commercial Van) (7.4 VIN J) (Black, 2 Pin) Approximately, 27 cm from main harness in-line to park brake actuator.
C104 (Commercial Van) (7.4 VIN N) (Black, 2 Pin) Approximately, 10 cm from main harness in-line to park brake actuator.
C105 (Motor Home) (4.3L VIN W) (Black, 12 Pin) At center of intake manifold.
C105 (Motor Home) (5.7L VIN R) (Black, 16 Pin) At center of intake manifold.
C105 (Motor Home) (7.4L VIN J) At center of intake manifold.
C107 (Black, 10 Pin) Near distributor.
C108 (Black, 8 Pin) Near glow plug control in-line.
C109 (Black, 15 Pin) Approximately, 30 cm from glow plug control breakout, to engine harness.
C112 Near engine oil pressure sender.
C200 (Commercial Van) (Gray, 56 Pin) On driver's island.
C200 (Motor Home) (Black, 4 Pin) Above steering column upper support.
C201 (Commercial Van) (Gray, 11 Pin) On lower steering column.
C201 (Motor Home) (Black, 6 Pin) Above steering column upper support.
C202 (Commercial Van) (Gray, 36 Pin) At left side of firewall, left of steering column.
C202 (Motor Home) (Black, 6 Pin) At base of steering column.
C203 (Commercial Van) (Gray, 36 Pin) At top of steering column support.
C203 (Motor Home) (Gray, 11 Pin) At base of steering column.
C204 (Commercial Van) Near breakout for headlight and dimmer switches.
C204 (Motor Home) In dash harness, 16 cm from daytime running lights module.
C205 (Commercial Van) Near instrument cluster breakout.
C205 (Motor Home) Near dash fuse block.
C206 (Commercial Van) Near daytime running lights module.
C206 (School Bus) Located by body builder.
C207 (Black, 7 Pin) Near battery junction block.
C208 Near dash fuse block.
C300 (Commercial Van) (Black, 15 Pin) Near rear light harness.
C300 (Motor Home) (Black, 7 Pin) Near middle of chassis, at outside of left frame rail.
C400 (Black, 7 Pin) Behind fuel tank, near left frame rail.
C401 (Commercial Van) (Black, 7 Pin) On left frame rail, near rear light harness.
C401 (Motor Home) (Black, 7 Pin) Near left frame rail, near rear of fuel tank.
C402 (Gray, 4 Pin) Center high mount stoplight provision for body builder.