Silverado 3500 2WD V8-6.6L DSL Turbo VIN 2 (2004)
Fuel Pump Relay: Locations
FUEL PUMP RELAY - SECONDARY
(Vehicles with Dual Tanks Only)
Fuel Pump Relay-Secondary-With Dual Tanks
The Fuel Pump Relay - Secondary is attached to the Underhood Fuse Block Bracket. The Underhood Fuse Block is located at the left side of the engine
compartment, to the rear of the battery.