2005 Cadillac SRX

Tiny
A3882448
  • MEMBER
  • 2005 CADILLAC SRX
  • V8
  • AWD
  • AUTOMATIC
  • 76,520 MILES
Car surges instrument lights stay dim heat settings change by them selves radio and cd changes alsoby themselves
Thursday, October 22nd, 2009 AT 7:44 AM

1 Reply

Tiny
MATHIASO
  • MECHANIC
  • 1,209 POSTS
Hello a3882448
I want to make sure that the problem is not charging system related.
Do this first:
Increase and hold engine speed to 2000 rpm.
Measure the voltage reading at the battery.
The voltage should increase at least 0.5 volts from the voltage test. If the voltage does not meet specifications, the charging system is malfunctioning.
The voltage regulator may be the problem.
If the charging sytstem is good, then let me know.
Do you have any blown fues? Engine light? Anything unusual?
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Thursday, October 22nd, 2009 AT 3:43 PM

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