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1988 Chevy 454 1 ton truck wont run
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91Fbird
Novice
Jan 19, 2009, 8:50 PM
Post #1 of 6
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1988 Chevy 454 1 ton truck wont run
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Was driving home and the truck just stopped running it turns over and I get a spark tried pouring gas in the motor and it fired up and died, Checked all fuses and didnt find a problem but when I used a test light on the wire to the fuel pump I wasn't gettin any juice. I was hopin to be able to find a wiring diagram but aint had any luck. Any suggestions?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jan 19, 2009, 9:46 PM
Post #2 of 6
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Re: 1988 Chevy 454 1 ton truck wont run
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?? There's a relay listed for the pump which should look like this, Give it whack - bet it kicks to - then toss it for a new one if so, T
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91Fbird
Novice
Jan 20, 2009, 9:44 AM
Post #3 of 6
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Re: 1988 Chevy 454 1 ton truck wont run
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I replaced that and it still does not solve the problem, any other suggestions?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jan 20, 2009, 9:49 AM
Post #4 of 6
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Re: 1988 Chevy 454 1 ton truck wont run
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I don't have a diagram but would follow the path of power to the fuel pump to see where the break is. Connectors wherever found are trouble spots. Even the block at firewall to fuse box on inside can make a disconnect unseen in there, T To add another maybe - the oil pressure if giving a false reading might be at fault?? Some might be able to disable fuel pump - just not sure with this vehicle exactly
(This post was edited by Tom Greenleaf on Jan 20, 2009, 9:51 AM)
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91Fbird
Novice
Jan 21, 2009, 9:07 AM
Post #5 of 6
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Re: 1988 Chevy 454 1 ton truck wont run
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Its not the oil pressure but I'm having trouble tracing the wires back but will keep on trying if anybody has a wiring diagram please let me know
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Double J
Veteran
/ Moderator
Jan 22, 2009, 2:02 PM
Post #6 of 6
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Re: 1988 Chevy 454 1 ton truck wont run
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Here is what i have..........
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