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Ignition switch ouestions

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Old 01-29-2018, 04:20 PM   #16
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Join Date: Aug 2007
Location: Edmonton, Alberta
Posts: 3,874
You say that the relay is good, does it operate when the key is turned on and off? If it does is there +12 volts at the blower motor to ground at a body point not the other wire. If yes then the fuses and relay are working properly and so is the ign switch and the problem is down stream of the blower motor on the way to ground. If no power and you have tried a new replacement relay and can hear/feel it operate when the key is turned on and off, then you have a damaged/burnt wire/connector from the relay to the fan motor. Check the contacts under the pdc for the replay. Ive seen cases where the terminals under the PDC have burnt and no longer make contact. If you can't repair the contacts under the pdc and replacing the whole pdc is not realistic you can extend the wires and bring them up into the open and have the fan relay operate outside of the pdc.
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