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Posted by Chris Case [75.36.40.230] on Saturday, September 29, 2012 at 20:28:56 :
In Reply to: pretend it's not a Ford...... posted by Jerry in Idaho [69.59.83.175] on Saturday, September 29, 2012 at 17:43:20 :
Called an IVR, Instrument Voltage Regulator. Instead of some high tech bit, it uses something like a signal light flasher to vary the volts from 4-6. I think. So your blinking lights means that part is probably good.
Now go to Radio Shack and buy and buy a little 50 ohm resistor, insert it between wire and ground instead of sender. If it reads somewhere in the middle, your sender is busted. Probably a broken ni-chrome wire.