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Old 17th March 2020, 22:42   #1
Fred Byrne
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Default A/C Compressor wiring

I am re-assembling the engine wiring harness. I cannot find the A/C Compressor harness. I cannot remember disconnecting it. This leads me to wonder whether this wire was ever presnet in the later version of the 2.5 litre connoisseur. Can anybody help me please
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Old 18th March 2020, 08:42   #2
SD1too
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It's a single red wire Fred. Remove the access cover to the headlamp in the OSF wheelarch liner and you should find a connector. It comes from the air conditioning compressor relay in the underbonnet fusebox. All cars will have it.

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Last edited by SD1too; 18th March 2020 at 08:45..
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Old 18th March 2020, 14:43   #3
Fred Byrne
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Thanks Simon I found the red wire lurking under the front of the car.
Fred
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Old 18th March 2020, 15:11   #4
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Quote:
Quote:
Originally Posted by Fred Byrne View Post
I am re-assembling the engine wiring harness. I cannot find the A/C Compressor harness. I cannot remember disconnecting it. This leads me to wonder whether this wire was ever presnet in the later version of the 2.5 litre connoisseur. Can anybody help me please
Hi Fred.
Look for some black conduit by the power steering pump, it will lead to a grey connector shown in the two photo's below picked out by the yellow dots hope this helps.

1

2

Inside the conduit will be one single red wire which plugs into the compressor
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Old 18th March 2020, 16:00   #5
Fred Byrne
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Thanks that saved me some time. It's amazing how something that turns out to be simple wastes an inordinate amount of time. Thanks everybody. Heads go on tomorrow I hope. The wiring harness got itself into an enormous tangle of wires!!

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