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Are these vehicles prone to electrical problems?

 
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Old 25 Jan 2013, 05:47 pm
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Default Are these vehicles prone to electrical problems?

Noticed a few threads now where more people are coming up with electrical problems - as well as my own experiences with airbag light warnings / dodgy earth problems.

Is it going to be a problem that gets worse as this car gets older, or is it just "one of those things"?
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Old 25 Jan 2013, 06:58 pm
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Default Re: Are these vehicles prone to electrical problems?

You have to remember that they made about a million and a half the PTs world wide. And most of the people that come here, do so because they have a problem. So it looks a little worse than it is. Things seem to come in clusters.
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Old 26 Jan 2013, 05:05 am
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Default Re: Are these vehicles prone to electrical problems?

The first generation PT is wired in conventional manner...the second generation has the TIPM and is, IMHO, overly complex.

Cars nowadays have lots more electrical controls and accessories than back when. Compare the wiring harnesses from, say, a 55 chevy and the PT...lots more wire and lots more connectors and terminals and lots more places for something to go wrong on the PT, and generally speaking, electrical connections don't get better with age (think dirt, moisture, vibration).

In any case, perform the "big 3" modification and freshen up the various accessory grounds you find on the left and right inner fenders...re-ground with a better method than sheet metal screws. Remember, the ground return is half the circuit and a lousy ground will cause all kinds of strange problems.

Last edited by Carl48; 26 Jan 2013 at 05:10 am.
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Old 26 Jan 2013, 08:06 am
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Default Re: Are these vehicles prone to electrical problems?

all cars today have bus communication between all the modules, PCM, BCM,CAB, Skim, air bag, radio, etc

when a module starts getting intermitant issues, it takes the bus down and you get a lot of problems.

Bad part is, you cant diagnose unless said module fails totally, so your stuck either taking best guess replacing modles or living with it until it totally craps out.

Other problems can be wiring and most of those will be corroded connectors and bad grounds.
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