Service manual
Body and Accessories Wiring Systems 8-167
2006 LSSV Service Manual Supplement
Installation Procedure
1. Install the rear lamp harness on the rear bumper.
2. Connect the rear lamp harness connector (5) to the
extension harness.
3. Connect the relay connectors to the relays on the rear
relay block (3).
4. Connect the commercial and the military trailer
connectors (6, 7) to the harness.
5. Connect the license plate lamp from the harness
connector (2).
6. Connect the blackout (B/O) lamp harness connectors to
the blackout (B/O) marker lamp connectors (1, 4).
7. Connect the battery cables. Refer to Battery Cable
Disconnect/Connect Procedure in Engine Electrical.
Auxiliary Lamp Extension Harness
Replacement
Removal Procedure
Caution: Refer to Battery Disconnect Caution in Cautions
and Notices.
1. Disconnect the battery cables. Refer to Battery Cable
Disconnect/Connect Procedure in Engine Electrical.
2. Access the auxiliary rear lamp extension harness from
the engine compartment at the left side of the bulkhead.
3. Remove the connector (1) from the I/P auxiliary harness
and wiring harness straps (2) connecting to the lamp
harness.
Caution: To avoid any vehicle damage, serious personal
injury or death when major components are removed from
the vehicle and the vehicle is supported by a hoist, support
the vehicle with jack stands at the opposite end from which
the components are being removed.
Caution: Refer to Vehicle Lifting Caution in Cautions and
Notices.
4. Raise and support the vehicle on a hoist. Refer to Lifting
and Jacking the Vehicle in General Information in the
2006 C/K Truck Service Manual.
5. Trace the auxiliary rear lamp harness extension along
the path of the existing harness and vehicle frame.
6. Remove the connector to the rear lamp harness.