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Electrical Intermittent Power Loss To Computer

  • Thread starter Thread starter p7776x3
  • Start date Start date Dec 31, 2016
  • Tags Tags
    1995 3.8l ccrm eec pcm

p7776x3

New Member
Dec 31, 2016
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Berlin, Wisconsin 54923
Dec 31, 2016
#1
  • Dec 31, 2016
  • #1
I have a '95, base model, 3.8l mustang. Over a year ago I was having problem where, I would accelerate and car would start going, lose all power for a second, go, lose power, come close to stalling and so on usually 3-4 times. Lost all RPM's, speedometer bouncing, all gauges bottomed out and came back, CEL would turn off when lost power.

After searching and searching, about a year ago, it died and wouldn't start. Fan stayed on so, found that it was bad CCRM.

It's happening again. Wondering if it could be something else? Otherwise, I have a handful of relays and electrical diagram of the CCRM. Can I just wire the relays in piggyback to the CCRM?
 

jozsefsz

15 Year Member
Aug 11, 2013
1,243
332
124
Cleveland OH Area
Dec 31, 2016
#2
  • Dec 31, 2016
  • #2
Using external relays to bypass the CCRM components works just fine - nothing much in there but a few relays and diodes. Keep in mind the computer feed is used to power the fuel pump relay internally in the CCRM so you might need to bypass that one as well.

I've had similar problems with a bad ignition switch. Try jiggling the key a bit back and forth to see if you can get the car to stall.
 
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