Can't get rear heater fan to come on, Even in AZ we need heat sometimes. |
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Can't get rear heater fan to come on, Even in AZ we need heat sometimes. |
3d914 |
Jan 2 2004, 02:15 PM
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#1
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Senior Member Group: Members Posts: 1,275 Joined: 24-September 03 From: Benson, AZ Member No.: 1,191 Region Association: Southwest Region |
I've been assembling all the parts to re-install heat in my teener, and now I'm down to checking out all the wiring. But I'm not getting any power to the rear heater fan (in engine bay).
I've cleaned up the connectors and wiring from the heater switch behind the shifter (ground side of the circuit). It comes out at pin #9 on the forward 14-pin connector on the relay board. Power should be going to pin #11 of the same connector, but Im gettin zip. This #11 connects to pin #10 of the lower-right 12-pin connector on the relay board - which bridges to pin #11 - then over to #87 of the relay. I'm getting power at #30 on the relay - but don't have a way to check where its going from there. The relay is new, and I've swapped with others - but keep ending up with no power. Any ideas - what I might be missing? TIA, |
Root_Werks |
Oct 30 2004, 09:20 AM
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#2
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Village Idiot Group: Members Posts: 8,338 Joined: 25-May 04 From: About 5NM from Canada Member No.: 2,105 Region Association: Pacific Northwest |
The heater lever grounding through the cables is correct and yes, a very poor design by Porsche. Most levers pull back far enough now that they have rubbed off paint and the handle grounds to the center tube allowing most levers on 914's to still function, even though not as intended.
Good job dececting the fault! It took me a long, long time years ago to figure out the original intent of that little system. (IMG:style_emoticons/default/laugh.gif) |
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