2005 Pontiac Grand Prix BaseFACTORY OEM SERVICE PROCEDURE

Circuit Protection Devices

CIRCUIT PROTECTION DEVICES LOCATION

Component Location
A/C Diode In underhood fuse block. See Figure.
Fusible Links (3.8L) Left side of engine, on starter assembly. See Figure.
Fusible Link (5.3L) Rear of engine. See Figure.
I/P Fuse Block Behind right side of dash, in glove box opening. See Figure.
Theft LED Top of dash. See Figure.
Underhood Fuse Block Mounted to right strut tower. 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.