GM Service Manual Online
For 1990-2009 cars only

Info - Relay Omitted for Bodybuilder Connection/Upfitter Provision

Subject:Relay Omitted for Bodybuilder Connection/Upfitter Provision

Models:2003 Chevrolet W3500/4500 Series Medium Duty Tilt Cab Models
2003 GMC W3500/4500 Series Medium Duty Tilt Cab Models
2003 Isuzu NPR Commercial Vehicles
with 5.7L Gas Engine (VIN R -- RPO L31)



A small number of the above listed vehicles may have been inadvertently built without a rear dome lamp relay that is used for a bodybuilder connection/upfitter provision.

If the rear dome light does not work, Inspect for the presence of this rear dome lamp relay. If the relay is not present, install the relay using the following procedure and the applicable part number listed below.


    Object Number: 1037640  Size: SH
  1. Locate the relay box at the left rear side of the cab.
  2. Remove the relay box cover.
  3. Install the dome lamp relay in position H of the relay box.
  4. Install the relay box cover.

Parts Information

For Chevrolet and GMC Models:

Part Number

Description

97060926

Relay, RR Dome Light

Parts are currently available from GMSPO.

For Isuzu Models:

Part Number

Description

8-97060-926-1

Relay, RR Dome Light

Parts are to be obtained from AIPDN.

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

N2843

Relay - Replace (Interior/Rear Compartment Lighting)

Use published labor operation time