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Looking at the engine from the front of the truck it is in a plastic distribution box directly behind the battery. The cover simply pops off and inside the cover is a list of the fuses and relays. In a pinch there are two more relays of the same type as the start relay that you could substitute until you can purchase a replacement. I bought mine as O'Reilly's autoparts for less than $15.00.
What else can I help you with?
Where the fuel pump reset or relay switch is on a 2003 gmc sierra and how do i use it?
where is the fuel pump reset button or relay switch located on a gmc sierra 2003 and how do i get to it?
Where is the fuel pump reset or relay switch on a 2003 gmc sierra?
There is none.
Where is the Starter Module for a Polar Remote Starter located on a 2003 GMC Sierra?
That would be inside the polar control unit
Why is the starter on a 2003 GMC Sierra not getting power?
The starter on a 2003 GMC Sierra may not be getting power due to several potential issues. Common causes include a dead battery, faulty ignition switch, or a bad starter relay. Additionally, corroded or loose connections in the wiring or a malfunctioning neutral safety switch can also prevent power from reaching the starter. It's important to perform a thorough electrical diagnostic to pinpoint the exact cause.
What size engine does the 2003 GMC Sierra-1500 have?
The 2003 GMC Sierra-1500 has a V6 engine.
How many valves does the 2003 GMC Sierra-2500HD have?
The 2003 GMC Sierra-2500HD has 16 valves.
What size engine does the 2003 GMC Sierra-2500HD have?
The 2003 GMC Sierra-2500HD has a V8 engine.
How many valves does the 2003 GMC Sierra-1500 have?
The 2003 GMC Sierra-1500 has 12 valves.
Is the 2003 GMC Sierra-1500 electric or gas?
The 2003 GMC Sierra-1500 is a gas-powered vehicle.
What kind of transmission does the 2003 GMC Sierra-1500 have?
The 2003 GMC Sierra-1500 has a 5-speed manual.
What kind of transmission does the 2003 GMC Sierra-2500HD have?
The 2003 GMC Sierra-2500HD has a 5-speed manual.
What is the cam type of the 2003 GMC Sierra-2500HD?
The 2003 GMC Sierra-2500HD has overhead valves (OHV).
