HVAC

  • Tiny
  • acars
  • 1987 Porsche 928
  • V8
  • 2WD
  • automatic
  • 141,000 miles

No signal from HVAC control box. Replaced relay. If relay is jumped HVAC works. Supply 12v to trigger relay, system works. Internal sensor on fan?

Do you
have the same problem?
Yes
No
Monday, March 28th, 2011 AT 3:51 PM

1 Reply

  • Tiny
  • merlin2021
  • Expert
  • 17,587 posts

No testing info is availbe from the manufacturer, I do have the wiring diagram if you need it, post your email and I will send it.

Was this
answer
helpful?
Yes
No
Monday, March 28th, 2011 AT 5:17 PM

Please login or register to post a reply.

Similar Questions