Climate Control not working

Tiny
LAWRENCE412
  • MEMBER
  • 1998 BMW 528
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 157,000 MILES
I replaced the climate control unit in the dash, it was in peices when I bought the car. Now it seems there is no power to it. I checked the fuses, and replaced them, they where missing. Where where do I go from here
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Saturday, June 4th, 2011 AT 4:05 AM

2 Replies

Tiny
BMRFIXIT
  • EXPERT
Constant battery power supply (KL30) is necessary for IHKA operation as well as memory (early systems).
Switched ignition power (KL15) is required for IHKA operation when the ignition is in the "run" position. This allows the system to operate after the vehicle has been started (or limited IHKA operation if the engine is not running).
Grounds KL 31
Ground paths are provided to the IHKA to complete the circuits of the inputs, processing, and output control functions
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Saturday, June 4th, 2011 AT 12:25 PM
Tiny
DOCHAGERTY
  • EXPERT
How are we doing on this problem?
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Saturday, June 25th, 2011 AT 2:46 AM

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