Relay Block - I/P Label

2008 Pontiac Grand Prix BaseSECTION Relay Block - I/P Label
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Relay Block - I/P Label
GM1499445Courtesy of GENERAL MOTORS CORP.
Relay Block - I/P Label Usage

Device Rating Description
SEO - 6-WAY BK - Not Used
TRAILER - 6-WAY BN - Trailer Provisions or Off Road Lamps
UPFIT - 4-WAY CRM - Upfitter Provisions
SL RIDE - 6-WAY GY - Not Used
HDLNR 2 - 6-WAY CRM - Air Temperature Assembly - Inside, Blower Motor Control Processor, HVAC Actuators, Inside Rearview Mirror
BODY - 12-WAY WH - B-Pillar Courtesy Lamps - LR/RR, Door Courtesy Lamps - LR/RR, Driver/Passenger Seat Module, Heated Seat Module - LR/RR, Rear Window Defogger Grid
DEFOG RELAY - Rear Window Defogger Grid
HDLNR 1 - 6-Way BN - Courtesy/Reading Lamps - Left/Right Front, Courtesy Reading Lamps - Mid/Rear, Garage Door Opener, Inside Rearview Mirror, Vanity Mirror Lamps - Left/Right
SPARE RELAY - Not Used
CB SEAT 30A Driver/Passenger Seat Modules
CB RT DOOR 25A Front Passenger Door Module (FPDM), Window Switch - RR
SPARE - 4-WAY GY - Not Used
INFO - 12-WAY BK - Not Used
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

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

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.