1999 with electrical gremlins - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 12-09-2013, 01:36 PM Thread Starter
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1999 with electrical gremlins

Hi
I am a relative noob with Ford PS,s but have many years with old mercedes and toyota diesels.
unfortunately any diesel with a computer makes me cringe...
I went to start my 7.3 this last weekend and noticed the driver side floor had some water on the mat (heavy rain) and just before i put the key in i noticed the radio was on and the blower motor was switching from on to off and on..there was also a loud clicking under the dash. but it started fine...

2 days later, it was doing same thing but did not have enough juice to start. from what ive read, it could be the vsm or the gem...i dont know where either one is or how to determine which is more likely..or if my truck has both.
my 1999 has the remote start and factory security system.
any ideas for where to look for starters?
I have also began taking apart the driver side plastic grill by wipers looking for where water could be getting in and nothing looks obvious...
Franco
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post #2 of 5 Old 12-09-2013, 01:46 PM
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It's the GEM module. If you pull the lower dash off to see the fuse panel and then pull the fuse panel out, you'll find the GEM. You also need to check into having your windshield replaced since that's usually the entry point for the water.

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post #3 of 5 Old 12-09-2013, 01:49 PM Thread Starter
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Do i need to replace the GEM?
and have my windshield r&R?
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post #4 of 5 Old 12-09-2013, 01:56 PM
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You'll have to replace the GEM. Usually the get water in them and they corrode. What I seen in the past when I worked at the Ford dealership was it leaked from the windshield.

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post #5 of 5 Old 12-09-2013, 06:23 PM
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dhanna6powerstroke is correct. It will require a new GEM and I would get that leak fixed ASAP. Or you may be buying another GEM. You were lucky, some have gone "possessed" when the GEM got wet, engine cranking etc.
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