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5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

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Old 11-21-2014, 01:12 AM   #1
crgblues
 
Join Date: Jul 2009
Vehicle: 1995 mUSTANG gt
Location: OK
Posts: 5
Default 95 5.0 need electronics help (cluster/fuel pump)

I have my somewhat "new" motor in(see sig) and I figured I would go ahead and try to figure out why my cluster gauges were only working shortly after I would turn the ac on, then go out after a couple minutes, turn ac off then they go back on again, then out for the duration of the "drive". As I was checking the power going to the cluster, I accidently arced a couple wires, I belive the R/y and black on the left plug. After replacing that fuse, when you turn the key on, the rad fan blows and the fuel pump does not come on. I believe I fried the fan relay. I don't have power going to the inertia switch. I am trying to check power coming from the computer to activate fuel pump. I believe it is a red wire. A read wire also goes to the iac so I checked power there when turning the key on. I don't have power coming from the red wire on the plug going to the iac. I have a ccrm in the car now that I know was able to work the fuel pump. Engine will attempt to start(starter motor activates and works) but fuel pump definitely not coming on(used to be able to hear it).
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95 stang gt 00 suv block/p-heads, ho cam and intake(just got elbow adapter), 65mm, stock fuel system, accel wires, autolite stock "p" plug .053gp, new rad, w-pump, ps-pump, no smog pump, rusty long tube headers, oe o2 sensors, timing is at 14 at idle w/out spout, ebay used/rb t5, stock ds, 3.73 gears, 245/45/17x4, svt rims, true duels(need h-pipe), fm40's, some aftermarket shifter, stock suspension, black
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Old 11-21-2014, 10:30 AM   #2
crgblues
 
Join Date: Jul 2009
Vehicle: 1995 mUSTANG gt
Location: OK
Posts: 5
Default Update

Fuel pump now works... still trying to figure out why cluster will only come on when you turn the ac on but only sometimes it will even do that.
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Old 11-21-2014, 10:30 AM
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