Buzzers, Relays & Timers
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
BUZZERS, RELAYS & TIMERS LOCATION
| Component | Location |
|---|---|
| A/C COMP Relay | In underhood fuse block. |
| Automatic Level Control Compressor Relay | Near underhood fuse block. |
| Auxiliary Battery Relay | Right rear of engine compartment. See Figure. |
| DEFOG Relay | In body relay block. |
| DRL Relay | In underhood fuse block. |
| DRIVER UNLOCK Relay | In left I/P fuse block. |
| Electronic Adjustable Pedals Relay | Behind lower left of dash. |
| FOG LP Relay | In underhood fuse block. |
| Fuel Pump Relay (Secondary) (W/Dual Tanks) | At left side of engine compartment, on underhood fuse block bracket. |
| HDLP-HI Relay | In underhood fuse block. |
| HDLP-LOW Relay | In underhood fuse block. |
| HORN Relay | In underhood fuse block. |
| IGN 1 Relay | In underhood fuse block. |
| LOCK Relay | In left I/P fuse block. |
| PARK LP Relay | In underhood fuse block. |
| PRIME F/PMP Relay | In underhood fuse block. |
| Roof Beacon Relay | At lower left "B" pillar. |
| RR FOG LP Relay | In left I/P fuse block. |
| STARTER Relay | In underhood fuse block. |
| Sun Roof Relay | At lower side of right "A" pillar. |
| UNLOCK Relay | In left I/P fuse block. |
| W/S WASH Relay | In underhood fuse block. |