Question about Cars & Trucks
Trace the wire back from the glo-plugs and you will come to the relay. Remove the glo-plugs and using short jump leads test across the battery terminals . Place one lead on the wire terminal and the body of the glo-plug on the negative terminal. If good it will heat up immediately . If burnt you will see it.
Posted on Dec 31, 2013
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Posted on Jan 02, 2017
SOURCE: 1997 VW JETTA DIESEL GLOW PLUGS
You have to replace the defective glow plug. You can test the glow plug without the test light. Just put a wire on the bolted end of the glow plug and connect this to the battery (+) terminal. Then, put a wire around the body of the glow plug and connect this to the battery (-) negative terminal. Hold at this position for a minute or less. Good glow plug will heat up.
As far as the wiring schematics, I will just describe
it. Your ignition switch is connected to the positive
terminal of the battery by way of the fuse in the fuse
box. From the switch it goes to a timing relay before
going to the glow plug terminals. The glow plug body
is screw mounted to the engine block which serves
as the negative terminal. So, as you switch your
ignition, it heats up the glow plug enough to give a
combustion of the atomized fuel in the cylinder piston
of your car causing it to run.
Posted on Nov 21, 2009
SOURCE: my f250 2002 my stop,turn and 12 volt supply aren't working, fuses are all good, someone said theres a relay un der the hood that controls the trailer plug directionals, is thair any truth to that
Yes. Sign up on the Autozone.com site for free and you can get Powerbox layouts and wiring details. Also check your Relay number on the part. Ford often usues the same Relay for the horn and they can be switched to test the relay.
The turn stalk can also be a problem. All turn lights run to it. Sometimes if you have the Hazard on the column, just pressing the Hazard button will reset the points for the turns. They use a derailer system and sometimes the points do not return back to center.
I hope my solution is helpful.
Posted on Jun 25, 2012
Did you check the a/c relay and the fuse ? Low pressure switch ?
Posted on Aug 05, 2012
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