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canada4g63
 Post subject: Car will not start
PostPosted: Mon Dec 13, 2010 3:14 pm 
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Location: Grand forks ND FML
I have a 1989 GT 4g63 swap colt. I have put in a new battery and a new altenator. I put in the alt last week brand new mits alt btw. I was driving the car today normal and when i was coming to a stop the rpms dropped and the car just died. It wouldn'tturn over at firstbut once i sit tere for afew i got it to start and it died again buti was in motion so i bump started it. Once i mad eit to a parking lot the car turns over, then the next timeyou crank it nothing at all happens. Any thoughs? The car was ruuning fatastic but justdied on me. I'm getting tired of this POS :(
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MR HYDE
 Post subject: Re: Car will not start
PostPosted: Mon Dec 13, 2010 5:02 pm 
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Easy stuff first...

Check to make sure the ECU didnt blow its caps.... :)

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twokss
 Post subject: Re: Car will not start
PostPosted: Mon Dec 13, 2010 7:19 pm 
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Location: Wenonah new jersey
check the connections on the alt. have the battery tested to make sure it doesn't have a dead cell. make sure the alt belt is tensioned properly and is not just slipping on the pulley.

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canada4g63
 Post subject: Re: Car will not start
PostPosted: Mon Dec 13, 2010 7:37 pm 
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Location: Grand forks ND FML
Well check tomorrow, my belt did squeal when it was very cold out at nite, i have an extra ecu i can also try. If the belt is to tight would it kill the alt? It only squeals after i get off shirt. I work 3rd and North Carolina weather has been cold like 15-20 degrees when i get off.
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twokss
 Post subject: Re: Car will not start
PostPosted: Mon Dec 13, 2010 7:47 pm 
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Location: Wenonah new jersey
yes a too tight belt can destroy the bearings in the alt

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89_colt_GT
 Post subject: Re: Car will not start
PostPosted: Fri Jan 07, 2011 2:11 am 
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Location: white bear lake, MN
I got a headache from reading that :/
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Evotistical
 Post subject: Re: Car will not start
PostPosted: Fri Jan 07, 2011 5:11 am 
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check the charging/alternator fuse. Usually a bad one will look like a bad alternator. Also a overcharging alternator (a common problem)will kill the fuse before frying your car or battery.


The cause:
Early Mistu's alternators have junk power regulators. Even brand new/rebuilt ones have the issue. It's just luck of the draw, I went through 3 different fuses, and 2 alternators till I got mine to work. Luckely Autozone/Kragen/Checkers/Oriely's have lifetime warrentys on Mitsubishi rebuilt alternators.

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