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 MANUALSCADILLAC1999SEVILLE SLS V8-4.6L VIN YREPAIR AND DIAGNOSISPOWER AND GROUND DISTRIBUTIONFUSE BLOCKSERVICE AND REPAIR
1999 Cadillac Seville SLS V8-4.6L VIN Y
Fuse Block: Service and Repair
1999 Cadillac Seville SLS V8-4.6L VIN YSECTION Service and Repair
Underhood Fuse Block Replacement
REMOVAL PROCEDURE
CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
1. Disconnect the negative battery cable.
2. Remove the cover from the underhood electrical center.
3. Disconnect the positive battery cable from the underhood electrical center.
4. Remove the underhood electrical center fasteners.
5. Disconnect the three cam lock connectors from the underhood electrical center.
6. Remove the underhood electrical center from the vehicle.
INSTALLATION PROCEDURE
1. Install the underhood electrical center into the vehicle.
2. Connect the three cam lock connectors to the underhood electrical center.
3. Install the underhood electrical center fasteners.
4. Connect the positive battery cable to the underhood electrical center.
5. Install the underhood electrical center cover.
6. Connect the negative battery cable.
NOTE: Refer to Fastener Notice in Cautions and Notices.
Tighten
Tighten the negative battery cable bolt to 15 N.m (11 lb ft).
REMOVAL PROCEDURE
CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
1. Disconnect the negative battery cable.
2. Remove the cover from the underhood electrical center.
3. Disconnect the positive battery cable from the underhood electrical center.
4. Remove the underhood electrical center fasteners.
5. Disconnect the three cam lock connectors from the underhood electrical center.
6. Remove the underhood electrical center from the vehicle.
INSTALLATION PROCEDURE
1. Install the underhood electrical center into the vehicle.
2. Connect the three cam lock connectors to the underhood electrical center.
3. Install the underhood electrical center fasteners.
4. Connect the positive battery cable to the underhood electrical center.
5. Install the underhood electrical center cover.
6. Connect the negative battery cable.
NOTE: Refer to Fastener Notice in Cautions and Notices.
Tighten
Tighten the negative battery cable bolt to 15 N.m (11 lb ft).
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.