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» Northern California Ford Owners     » Automotive   » Tech Talk   » fuel pump fuse(asap)

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Author Topic: fuel pump fuse(asap)
notchchp
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does a 1990 mustang 5.0 have a fuse for the fuel pump or does it just have the relay?
Posts: 48 | From: san jose | Registered: Oct 2005  |  :
TrickRacer50
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A 1990 has a relay under the seat. It should have a fuse or something to supply power to the relay
Posts: 78 | From: NorCal | Registered: Dec 2005  |  :
Blind
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take the fuse cover off and have a look at what is listed, would only take a minute

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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi

Posts: 8521 | From: Fairfield | Registered: Jul 2003  |  :
silverLX
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quote:
Originally posted by blind:
take the fuse cover off and have a look at what is listed, would only take a minute

90+ cars don't list them, only the 87-89 cars...

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88LX hatch 410w
88LX vert gears, exhaust
95GT H/C/I

Posts: 1613 | From: Sonoma County | Registered: Aug 2003  |  :
Blind
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lol, never noticed, good thing no fuses have gone out on my 91 [Big Grin]

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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi

Posts: 8521 | From: Fairfield | Registered: Jul 2003  |  :
notchchp
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i don't have the cover so how can i find out which one it is?
Posts: 48 | From: san jose | Registered: Oct 2005  |  :
TrickRacer50
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Use a test light or ohm meter. Ground the test light and use the ice pick part to test each fuse. If one does not light up then pull it and see if it is good. Some fuses are not hot all the time.

The best and easiest way is to use a voltmeter and check for continuity on each fuse. Put the red probe on one side of the fuse and the black probe on the other side of the fuse. If you hear a beep the fuse is good if there is no beep then the fuse is bad.

Posts: 78 | From: NorCal | Registered: Dec 2005  |  :
notchchp
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it's weird because i tried the test light thing and according to the test only two fuses worked. but even when i replaced the rest they still didn't work. what could be the problem in this case?
Posts: 48 | From: san jose | Registered: Oct 2005  |  :
Blind
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did you test them with the key turned to run?

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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi

Posts: 8521 | From: Fairfield | Registered: Jul 2003  |  :
notchchp
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yea i did.
Posts: 48 | From: san jose | Registered: Oct 2005  |  :
TrickRacer50
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check your ground on the test light.
Posts: 78 | From: NorCal | Registered: Dec 2005  |  :


 
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