Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCADILLAC2002ELDORADO V8-4.6L VIN YREPAIR AND DIAGNOSISPOWER AND GROUND DISTRIBUTIONFUSE BLOCKSERVICE AND REPAIR
2002 Cadillac Eldorado V8-4.6L VIN Y
Fuse Block: Service and Repair
2002 Cadillac Eldorado V8-4.6L VIN YSECTION Service and Repair
UNDERHOOD ELECTRICAL CENTER REPLACEMENT
REMOVAL PROCEDURE

1. Open the hood.
2. Disconnect the negative battery cable from the battery.
3. Disconnect the washer solvent hose.
4. Unclip the retention clip (1) on the strut tower securing the cruise control cable (2).

5. Disconnect the upper and lower snap tabs from the multi-use relay and fuse bracket cover.
6. Remove the multi-use relay and fuse bracket cover (1).

7. Remove the positive battery cable fastener from the underhood multi-use relay and fuse center bracket.
8. Position the positive battery cable away from the multi-use relay arid fuse center bracket.
NOTE: Note the correct routing of the electrical wiring. Failure to reinstall the wiring properly could result in damage to the wiring.
9. Unclip the cover retaining clips from the 8-way maxi fuse (2) and 8-way relay centers (1) and remove.
10. Unclip the cover retaining clips from the 12-way mini fuse and 2-way micro relay centers and remove.
11. Unclip the cover retaining the 6-way maxi fuse center and remove.

12. Remove the following components from the multi-use relay and fuse bracket assembly:
^ The 6-way micro fuse center (1)
^ The inadvertent power relay (2)
^ The starter enable relay (3)
^ The ignition relay (4)
^ Disconnect the retainer for the electrical harness (5)

13. Remove the two fasteners (1) from the multi-use relay and fuse center bracket (2).
14. Remove the multi-use relay and fuse center bracket (2) from the vehicle.
INSTALLATION PROCEDURE
IMPORTANT: Ensure the body main electrical harness connector (3) is located between the two mounting holes in the strut tower and above the multi-use relay and fuse center bracket.

1. Snap the lower rosebud on the bracket into the hole in the rail.
2. Position the multi-use relay and fuse center bracket (2) to the strut tower.
3. Install the multi-use relay and fuse center bracket fasteners (1).
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the 2 fasteners (1) to 9 N.m (80 lb in).

4. Install the following components to the multi-use relay and fuse bracket assembly:
^ Secure the retainer for the electrical harness (5)
^ Install the ignition relay (4)
^ Install the starter enable relay (3)
^ Install the inadvertent power relay (2)
^ Install the 6-way micro fuse center (1)

5. Install the cover for the 6-way maxi fuse center.
6. Install the cover for the 12-way mini fuse and 2-way micro relay centers.
7. Install the cover for the 8-way maxi fuse (2) and 8-way relay centers (1).
8. Position the positive battery cable to the stud (3) on the multi-use relay and fuse center bracket.
9. Install the positive battery cable fastener.
Tighten
Tighten the fastener to 11 N.m (97 lb in).
10. Tuck the engine harness body main electrical connections under the multi-use relay and fuse bracket.

11. Position the multi-use relay and fuse bracket cover (1) to the bracket.
12. Install the upper and lower retainer tabs into the bracket in order to secure the cover. Press into place until fully seated.
13. Connect the washer solvent hose connector.

14. Secure the cruise control cable (2) to the retention clip (1) located on the left strut tower.
15. Connect the negative battery cable.
16. Close the hood.
REMOVAL PROCEDURE
1. Open the hood.
2. Disconnect the negative battery cable from the battery.
3. Disconnect the washer solvent hose.
4. Unclip the retention clip (1) on the strut tower securing the cruise control cable (2).
5. Disconnect the upper and lower snap tabs from the multi-use relay and fuse bracket cover.
6. Remove the multi-use relay and fuse bracket cover (1).
7. Remove the positive battery cable fastener from the underhood multi-use relay and fuse center bracket.
8. Position the positive battery cable away from the multi-use relay arid fuse center bracket.
NOTE: Note the correct routing of the electrical wiring. Failure to reinstall the wiring properly could result in damage to the wiring.
9. Unclip the cover retaining clips from the 8-way maxi fuse (2) and 8-way relay centers (1) and remove.
10. Unclip the cover retaining clips from the 12-way mini fuse and 2-way micro relay centers and remove.
11. Unclip the cover retaining the 6-way maxi fuse center and remove.
12. Remove the following components from the multi-use relay and fuse bracket assembly:
^ The 6-way micro fuse center (1)
^ The inadvertent power relay (2)
^ The starter enable relay (3)
^ The ignition relay (4)
^ Disconnect the retainer for the electrical harness (5)
13. Remove the two fasteners (1) from the multi-use relay and fuse center bracket (2).
14. Remove the multi-use relay and fuse center bracket (2) from the vehicle.
INSTALLATION PROCEDURE
IMPORTANT: Ensure the body main electrical harness connector (3) is located between the two mounting holes in the strut tower and above the multi-use relay and fuse center bracket.
1. Snap the lower rosebud on the bracket into the hole in the rail.
2. Position the multi-use relay and fuse center bracket (2) to the strut tower.
3. Install the multi-use relay and fuse center bracket fasteners (1).
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the 2 fasteners (1) to 9 N.m (80 lb in).
4. Install the following components to the multi-use relay and fuse bracket assembly:
^ Secure the retainer for the electrical harness (5)
^ Install the ignition relay (4)
^ Install the starter enable relay (3)
^ Install the inadvertent power relay (2)
^ Install the 6-way micro fuse center (1)
5. Install the cover for the 6-way maxi fuse center.
6. Install the cover for the 12-way mini fuse and 2-way micro relay centers.
7. Install the cover for the 8-way maxi fuse (2) and 8-way relay centers (1).
8. Position the positive battery cable to the stud (3) on the multi-use relay and fuse center bracket.
9. Install the positive battery cable fastener.
Tighten
Tighten the fastener to 11 N.m (97 lb in).
10. Tuck the engine harness body main electrical connections under the multi-use relay and fuse bracket.
11. Position the multi-use relay and fuse bracket cover (1) to the bracket.
12. Install the upper and lower retainer tabs into the bracket in order to secure the cover. Press into place until fully seated.
13. Connect the washer solvent hose connector.
14. Secure the cruise control cable (2) to the retention clip (1) located on the left strut tower.
15. Connect the negative battery cable.
16. Close the hood.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.