AC Relay

[Brett Dikeman]

At 11:29 AM -0400 5/30/02, Ray Rollins wrote:

>I guess it's my turn to ask a stupid A/C question. I have been trouble
>shooting my system on my 90 100Q and I think I might have found a possible
>cause but it is better to be sure than guess. First step was to do an A/C
>programmer test which passed.

Did this include checking to make sure the programmer isn't receiving
an overheat signal from the multifunction temperature sender?  If so,
it won't engage the clutch.  A fairly quick test is to simply unplug
the multifunction sender and see if the clutch engages.


>  Second was to Jump the low pressure switch
>with the A/C on high. The idle speed increased but the clutch did not
>engage. Third step where I am stumped was to check the relay under the hood.
>Look in the Relay/Fuse box and there is no relay in the # 11 or #6 slot.
>This model is supposed to have a relay in the #11 slot to control the clutch
>right?

According to the Bentley, both 6 and 11 are listed as "open" along
with 1 and 4.

A/C relay is #4 in the Auxiliary relay panel; middle row, 4th from the left.


HTH!

Brett
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