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BHensley 11/17/2012

2000 Ford Expedition XLT 8 Cyl 5.4L


Clicks, won't start. Tried to catch a couple of times, no luck.

Dash instruments peg all the way out, then fall back down on each crank.

1 Answer


CVO 11/17/2012

First, check the battery and starter cables for their tightness or free of corrosion and physical damaged.

See this Starting system simplified diagram. Have a help from an assistant to crank the engine, use a 12 volt light tester or a digital voltmeter, apply it to the starter control circuit.
If there is light or 12 volts and the starter isn't cranking, then the starter is the culprit. Have the starter to bench test for free at the local auto parts stores.
If there isn't no light or no volts, then the ignition switch is the culprit.( may not be the case).


Note: a 3/4 charge battery is 12.50 volts
A discharge battery is 11.75 volts.
A battery under a cranking load and it is reading less than 7 volts,it will be a recycled ( junk ) battery.


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