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Thread: Need help with relay numbers on my S2 conversion

  1. #1
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    Need help with relay numbers on my S2 conversion

    Hey everybody, there was little activity in the 200 forum so I thought I would place the question here. I am about to try and start my S2 converted 91 CQ. It has a 3B from a 91 200 TQ. The red taped engine harness has a spot for 2 multi-plug relays side by side. If anybody has those numbers for the relays that would be great. I have tons of relays but I don't want to put the wrong ones in that might fry the ecu.

  2. #2
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    The one with the brown socket is for the afterrun relay/control unit which is also brown. The black one isn't used for anything.

  3. #3
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    thanks man , is the over run relay for the coolant recirculating pump for the turbo?

  4. #4
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    Yes the afterrun relay controls the after run fan and electric H20 pump triggered by the two pin coolant sensor on the h20 manifold.

  5. #5
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    thanks man, I'm too used to building rally cars this street stuff is not my usual forte'

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