V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

Fuel Pump Fuse

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Old Jul 5, 2003 | 02:16 PM
  #1  
PONTIAC86style's Avatar
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From: NE ohio
Car: Pontiac Firebird
Engine: 2800
Transmission: slushbox 700r4
Fuel Pump Fuse

WHERE IS THE FUEL PUMP FUSE ON MY 86 2.8 FIREBIRD???????
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Old Jul 5, 2003 | 06:35 PM
  #2  
2_point8_boy's Avatar
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From: Castaic, CA
Car: 1988 Camaro RS
Engine: 2.8L of Raw POWER!!!
Transmission: Stick Shift
Axle/Gears: 3.42's
dude, don't feel bad 'cause you can't find it. I was told that it was one of the fuses mounted up on the firewall next to the brake booster, but I pulled all 3 of them and the stupid thing still ran...so I don't know either.
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Old Jul 5, 2003 | 07:30 PM
  #3  
PONTIAC86style's Avatar
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From: NE ohio
Car: Pontiac Firebird
Engine: 2800
Transmission: slushbox 700r4
RIGHT, well my car won't run, so i need to find it, i think im having a problem in there, she cranks away and won't start, so i'm havin to know where she is!!!
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Old Jul 5, 2003 | 08:57 PM
  #4  
2_point8_boy's Avatar
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From: Castaic, CA
Car: 1988 Camaro RS
Engine: 2.8L of Raw POWER!!!
Transmission: Stick Shift
Axle/Gears: 3.42's
are you sure it's a fuel problem. Most of the time when a car won't start, it's ignition. I don't know how much you have looked into the problem, but it's worth a try. Does the pump buzz when you turn the ignition to "on" but don't start it?
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Old Jul 5, 2003 | 11:03 PM
  #5  
PONTIAC86style's Avatar
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From: NE ohio
Car: Pontiac Firebird
Engine: 2800
Transmission: slushbox 700r4
i think ive tryed pretty much everything with the ignition, im just running thru the options... but till, would be nice to know where that fuse is anyways.... and yes.... i belive there is a buzz
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Old Jul 5, 2003 | 11:17 PM
  #6  
socialdeviant's Avatar
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did you look on passanger side fender beside the headlights?

there should be a 3 way post relay, the wire that goes back to the firewall will have a fuse holder in series with a weatherpack top, pull cap, fuse is right there.
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Old Jul 5, 2003 | 11:21 PM
  #7  
PONTIAC86style's Avatar
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From: NE ohio
Car: Pontiac Firebird
Engine: 2800
Transmission: slushbox 700r4
thought that was the maf and head light fuses... but yeah, ill check that out
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Old Jul 6, 2003 | 01:48 AM
  #8  
pasky's Avatar
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Car: 1991 RS Camaro (Jet Black)
Engine: 95 383 CI (6.3) LT1
Transmission: 95 T-56
The 3 plugs you see on the driverside firewall are the relays, and yes one of them is the fuel pump relay. As for the fuel pump/ECM fuse (thier one and the same). Its near your engine coolant reservoir, should be on the passenger fender. You'll know its it because it has a electrical plug, the fuse is hooked on the plug. Well, thats where it is on my 3.1, might be the same for the 2.8.
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Old Jul 7, 2003 | 09:44 AM
  #9  
TomP's Avatar
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From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
Yes, it's in the same spot on the 2.8. 2.8 will also have a MAF fuse nearby. MAF fuse uses red and brown wires to the fuse holder. ECM/Fuel pump fuse has red and Orange wires coming from it.

Check the circuit (CKT 340) with a test light at the fuel pump relay to make sure you're getting +12 volts.
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Old Jul 7, 2003 | 04:05 PM
  #10  
PONTIAC86style's Avatar
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From: NE ohio
Car: Pontiac Firebird
Engine: 2800
Transmission: slushbox 700r4
ok found it, i thougth that the fuel pump fuse was one of the head lamp fuses, but i guess not....
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