2000 GMC EnvoyFACTORY OEM SERVICE PROCEDURE

Electrical Component Locator: Miscellaneous

MISCELLANEOUS

Component Component Location
A/C Compressor Clutch Diode (2.2L VIN 4) In A/C compressor wire harness, between A/C compressor & engine harness breakout. See Figure .
A/C Compressor Clutch Diode (4.3L VIN W) In A/C compressor clutch wire harness, behind compressor.
A/C Compressor Clutch Diode (4.3L VIN X) In A/C compressor clutch wire harness, behind compressor.
Blower Motor Resistor On right rear of engine compartment, on blower module.
Data Link Connector (DLC) Under left side of dash.
Distributor (4.3L VIN W) Top rear of engine.
Distributor (4.3L VIN X) Top rear of engine.
Fuel Injectors (2.2L VIN 4) On top of engine, at intake ports.
Fuel Injectors (4.3L VIN W) On top of engine, at intake ports.
Fuel Injectors (4.3L VIN X) On top of engine, at intake ports.
Fuel Pump Prime Connector In underhood fuse block.
High Mount Stoplamp Resistor In body harness 10 cm before breakout to high mounted stoplamps.
Ignition Coil (2.2L VIN 4) On right side of engine.
Ignition Coil (4.3L VIN W) On top right side of engine. See Figure .
Ignition Coil (4.3L VIN X) On top right side of engine. See Figure .
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.