Electrical Gremlin

Submitted: Tuesday, May 29, 2007 at 14:42
ThreadID: 46028 Views:2724 Replies:9 FollowUps:2
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Hoping for some advice, as there is a week's wait to get the only local sparks to look at it.

The F250 has KAB air suspension seats, air supply is provided by a small compressor mounted under the bonnet which pumps to a reservoir.

Wiring goes direct from battery terminal to a relay looking thingy marked "Diac Safe" "ProQuip P1512X 12vDC 20/20a" from there a wire with a 20A inline spade type fuse goes to the compressor.

All worked well for 9 months then it stopped. First thing to check is the inline fuse, replace the blown one with a new one. Compressor runs for 2 seconds, blows the new fuse, try another fuse, same thing.

Checked all the wiring no obvious shorts, what's going on? What should I check next?

Any advice is much appreciated.

Chris
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