Fuel pump relay in 1988 K5 Blazer - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 12-04-2004, 03:14 PM
hodgdonc
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Fuel pump relay in 1988 K5 Blazer

Does anyone know where the fuel pump relay is on a 1988 K5 Blazer? Thanks
Chris
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post #2 of (permalink) Old 12-04-2004, 07:14 PM
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Re: Fuel pump relay in 1988 K5 Blazer

On my 89 Suburban it is on the passenger side firewall. Probably the same for yours.
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post #3 of (permalink) Old 12-10-2004, 03:20 PM
hodgdonc
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Re: Fuel pump relay in 1988 K5 Blazer

You were right. Thanks. I replaced the relay and still no gas. My owners manual does not list a fuse for the fuel pump but a friend said there was an inline fuse. Do you know anything about an inline fuse on this truck?

Thanks
Chris
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post #4 of (permalink) Old 12-10-2004, 05:12 PM
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Re: Fuel pump relay in 1988 K5 Blazer

I don't know about a fuse. When you turn the key can you hear the pump start up? Don't start the engine, just turn it to the on position and listen around the gas tank.
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post #5 of (permalink) Old 12-11-2004, 06:55 AM
hodgdonc
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Re: Fuel pump relay in 1988 K5 Blazer

No sound at all when you turn the key. Looks like I'll be dropping the gas tank. I sure wish they hadn't moved the fuel pump from an easy to get at place to the gas tank.

Thanks
post #6 of (permalink) Old 12-11-2004, 05:36 PM
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Re: Fuel pump relay in 1988 K5 Blazer

You were right. Thanks. I replaced the relay and still no gas. My owners manual does not list a fuse for the fuel pump but a friend said there was an inline fuse. Do you know anything about an inline fuse on this truck?

--------------------


The fuse on my 94 is right next to the fuel
pump relay, Its kind of encased in a plastic housing,
but might be different than yours.
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post #7 of (permalink) Old 12-16-2004, 10:44 PM
 
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Re: Fuel pump relay in 1988 K5 Blazer

The fuse for the fule pump is the "ECM B" fuse in my 87 K30 (same basic wiring). It's a 10 amp fuse.
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