Electrical 1995 mustang cobra

Adams_199

New Member
Aug 8, 2016
2
0
1
Maryland
Hello everyone, I have a 1995 mustang cobra that was running about a week ago, but this weekend I changed my headers and exhaust and now when I go to start the car up, the car doesn’t turn over, but the fan turns on as soon as the key is turned on. The car came with a viper alarm but with no remote, and the switch for it inside the car had to be re-wired to work correctly to turn the alarm off. After this I still have no luck with getting the car to turn over.
If anyone has a place for me to start looking to get my car back on the road that would be greatly appreciated.
 
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Adams_199

New Member
Aug 8, 2016
2
0
1
Maryland
Okay, so I did that and found a bad ground in the process. So after fixing that got the car started and it’ll immediately rev to 2500rpm and then just cut off now
 

jozsefsz

5 Year Member
Aug 11, 2013
1,149
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Cleveland OH Area
Revving up on startup is normal. The cutting off part - I'd verify you're keeping fuel pressure after startup with a fuel pressure gauge. You may have it so that the fuel pump is priming, but not running once it's started. A fuel pump cutoff is often a part of aftermarket alarm systems so I'd suspect continued wiring difficulties.