No power to fuel pump
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Junior Member
Joined: Oct 2019
Posts: 2
Likes: 0
From: Iowa
Car: 1988 Firebird
Engine: 5.0 tbi
Transmission: T5
Axle/Gears: 308
No power to fuel pump
On my 5.0 tbi, the fuel pump does not run. The fuse by the battery has been replaced, the relay is new, and the fuel pump is new.
With a test light, I get power to the orange wire, but not the red wire at the relay
The car drove fine before parked 2 months ago, no fuel issues
It definitely seems to be the problem with the red wire, but I don't know where to trace it back to
With a test light, I get power to the orange wire, but not the red wire at the relay
The car drove fine before parked 2 months ago, no fuel issues
It definitely seems to be the problem with the red wire, but I don't know where to trace it back to
Joined: Dec 2004
Posts: 16,740
Likes: 994
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: No power to fuel pump
Thread Starter
Junior Member
Joined: Oct 2019
Posts: 2
Likes: 0
From: Iowa
Car: 1988 Firebird
Engine: 5.0 tbi
Transmission: T5
Axle/Gears: 308
Re: No power to fuel pump
Joined: Dec 2004
Posts: 16,740
Likes: 994
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: No power to fuel pump
The relay output wire to the pump is grey or it could be tan with a white stripe.
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