Buzzers, Relays & Timers
WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. 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. |
| Auxiliary Battery Relay | At right rear of engine compartment. See Figure. |
| DEFOG RELAY | In I/P relay block. |
| DRL Relay | In underhood fuse block. |
| DRIVER UNLOCK Relay | In left I/P fuse block. |
| Engine Glow Plug Relay (6.6L) | At left rear of engine. See Figure. |
| FOG LP Fuse | In underhood fuse block. |
| F/PMP Relay | In underhood fuse block. |
| Fuel Pump Relay (Secondary) | 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. |
| Power Take-Off Relay | On underhood fuse block bracket. |
| Roof Beacon Relay | At lower left "B" pillar. |
| STARTER Relay | In underhood fuse block. |
| UNLOCK Relay | In left I/P fuse block. |
| W/S WASH Relay | In underhood fuse block. |