How to upgrade ECC for 1993 850

  • Thread starter Thread starter FLobresco
  • Start date Start date
F

FLobresco

Anyone have simple instructions on how to upgrade the Climate Control
switch for 1993 volvo 850.
There was a change made and all the replacements require an update.
One method is to use a jumper wire to get power from the alternator.

Exactly how is this done.

Thanks in advance for any help.

Tony
 
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