1997 Oldsmobile RegencyFACTORY OEM SERVICE PROCEDURE

Circuit Protection Devices

CIRCUIT PROTECTION DEVICES LOCATION

Component Location
Diode, A/C Compressor Clutch On wiring harness, near A/C compressor.
Diode, Brake Warning Behind dash, right of steering column, taped to harness.
Dash Fuse Block (3.8L VIN K) Behind left side of dash. See Figure .
Dash Fuse Block (3.8L VIN 1) Behind left side of dash. See Figure .
Dash Relay Center (3.8L VIN K) Behind right side of dash. See Figure .
Dash Relay Center (3.8L VIN 1) Behind right side of dash. See Figure .
Maxi-Fuse Block, Left/Right (2) (3.8L VIN K) On right center of firewall. See Figure .
Maxi-Fuse Block, Left/Right (2) (3.8L VIN 1) On right center of firewall. See Figure .
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

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.