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.

CCRM/RCM

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Old 04-15-2011, 03:46 PM
  #1  
Goosepoop302
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Default CCRM/RCM

So, ive been rebuiling a 5.0 mustang over the past year and am very close to being complete. i put power to the car yesterday to see what happened if i tryed to start but found some very odd things. First when the car had power the rear taillights would turn on, that is without the switch or brakes being pressed. second there was a nasty humm/click from the ccrm (located next to the radiator fan). also the engine fan would turn on and run for no reason. I replaced the ccrm thinking it would solve my issues but when i put power to the car it does the same thing....anyone..please help, i need to get this thing runnin! thanks!!
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Old 04-16-2011, 08:28 AM
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projectresto83
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Did it work correctly before you started messing with the car?
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Old 04-17-2011, 03:10 AM
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AdderMk2
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battery/ground issue... and your brake switch is probably bad.


ccrm doesnt control brake lights
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