Under the hood right of center. above and to the left of the battery.
there is a black plastic box about 6x6 in. it has a pop off cover. on the inside of the cover there should be a diagram showing you which of the 2 relays is the fuel pump relay.
SOURCE: I need to find and change the fuel pump relay on my 1993 GMC Safari. Any help?
I don't have the whole solution, but I do know that my fuel pump is in side the gas tank on my GMC Safari. Hope that helps!
SOURCE: 99 gmc safari van,wont start,no fuel pressure to the filter
Do you hear pump cycle (hum) when you turn key to on position?
Take air intake hose of front of throttle body & spray WD-40 inside throttle body with plate open for a couple of seconds, then see if it will start & run for a second or 2. If it fires up for a short time, it is fuel related problem. Perhaps autoparts store lends or rents fuel pressure gauges, which will confirm if pump is working or not.
SOURCE: where is the fuel pump relay located on a 1991 gmc
I think if equiped i mean IF"""" it should be inside back door left or right in side quarter panel take of removeable panel then you should gain getting at it! if equiped!
SOURCE: Where is the location of the fuel pump relay in a
Under the hood, look at the firewall. A large wire harness crossing from left to right. In the middle there should be 3 sets of relays. The one closes to the driver side should be it. Have someone cycle the key on. It should click and about 3 seconds it should click again.( if working properly)
Fig. 2: The fuel pump and fuel gauge sender assembly
Hope helps.
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