[s-cars] AC/ fan issue
iduff at comcast.net
Wed Oct 3 09:55:22 PDT 2007
Shutting off quickly sounds like it thinks it's below 40F outside.
Have you checked the outside temp sensors?
On 03 Oct, 2007, at 12:43, james McCarthy wrote:
> So for the last 72 hours my AC intermittantly won't
> come on. When I depress the snow flake the compressor
> comes on briefly (2 seconds)then stops. However the
> electric fan is not comming on at all.
> So diagnostics:
> 1) Jumped the after run terminals - fan comes on.
> 2) Jumbed the temp sensor in the radiatior - fan comes
> on both 2nd and 3rd speeds.
> 3) swapped the three fan relays with the avant - no
> 4) swapped the climate control head - no change.
> Strangely this problem went away last night - multiple
> short dirves no issues. The problem has returned
> again this am on first start up. While working the AC
> was very cold and functioning properly -with the
> electric fan running.
> So I feel like the fans wiring is fine - and am now
> pointing towards the AC compressor - switch or wiring
> to the fan. Any BTDT or thoughts?
> Any chance the ignition switch could cause this?
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