Question about 1998 Chevrolet Suburban

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Where is the fuel pump relay and fuse for a 1990 chevy suburban?

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Should be located under hood in fuse box.

Posted on Sep 02, 2010

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My new fuel pump is not working when key is turned on. i get no fuel to the TBI. is this the TBI relay?or the fuel pump relay swith?


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1 Answer

Trying to find the fuel pump FUSE.


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The closest fuse (15A) controlling either of these relays also powers up the main control module (located beside and below the main fuse box). So, if one needs to disconnect the fuel pumps from functioning, then the only effective method is to disconnect the fuel pump relays.

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Fuel pump shut off location on a 1999 chevy suburban???


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Apr 12, 2009 | 1999 Chevrolet Suburban

1 Answer

92 Chevy Suburban Electrical Fuel System


I assume the fuel pump fuse is good?
The only time voltage will be sent to the fuel pump will be the first 2 to 3 seconds if the starter is not engaged. You will want to crank the engine over and check for voltage on the load side of the relay, circuit #30 at the relay.
Let me know after you check.
Regards,

Feb 22, 2009 | 1992 Chevrolet Suburban

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