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968 battery drain

simo911

By simo911
in 924, 931, 944, 951, 968 Series

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simo911 Member

simo911

Posted
Posted

hi have got excessive battery drain on 968 cab . if fuse pulled out for power window relay drain goes. had a look on porsche wiring diagram at power window relay with 5 terminals but cant find out where the terminals are wired to for holding the relay live all the time. thanks simon

magcuda Member

magcuda

Posted
Posted

does your dome lights work? window relay stays alive when car is turned off until the door is opened, if it doesn't see that it will cause a drain. check door pin switches

  • 5 months later...
JimZ Member

JimZ

Posted
Posted

I have a 944 s2 with the same battery drain problem. When the window winder(motor) fuse is pulled draw is reduced by 80 ma. Could this also be a door switch issue? Any guidance?

  • 2 weeks later...
Peanuttyler Member

Peanuttyler

Posted
Posted
I have a 944 s2 with the same battery drain problem. When the window winder(motor) fuse is pulled draw is reduced by 80 ma. Could this also be a door switch issue? Any guidance?

On your 944, are you getting a red 'battery light' on the left gauge? The battery light completes the circuit. If it is loose or broken that the battery will drain dead. Found out the hard way but it was an easy fix.

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