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Chaparral
 BoatUS Boat Groups/Manufacturer Forums>>Chaparral
Subject Topic: electrical problem?? Post ReplyPost New Topic
 
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uncledansarlo
"Seaman Recruit"




Joined: June 05 2007
Posts: 2
Posted: June 05 2007 at 21:08 | IP Logged Quote uncledansarlo

I have a  1981Chaparral 198.  It has been a great boat until now.  When it is running and I turn the key off, it will not shut off.  Also, when not running and the key if off, the dash lights are dim and the coil is still energized. when I turn the key to "on", the dash lights go back to their normal brightness.  I have to unhook the battery to solve the above problem.  I have replaced the ignition switch and the solenoid.  Any ideas??? Thanks 

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David
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chap178
"Seaman Recruit"




Joined: August 07 2006
Posts: 5
Posted: June 06 2007 at 08:19 | IP Logged Quote chap178

Sounds to me like you may have a ground problem somewhere.  This not a problem found only on boats, I've seen cars do it as well.  My thought is to trace your ground circuit, clean up any/all ground connections, and check for any possible shorts going to ground.  these problems can be a real Bi&*% to find, good luck

 

Paul

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uncledansarlo
"Seaman Recruit"




Joined: June 05 2007
Posts: 2
Posted: June 06 2007 at 21:35 | IP Logged Quote uncledansarlo

I put a new ground wire on, sanded the block for good connection, to no avail.  I did find that if I unhooked the wires from the positive side of the coil, the problem stopped.  Do you think a grounded coil or bad points?  The boat still runs so I don't know if this is the case.  Please advise.  Thanks, David

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David
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chap178
"Seaman Recruit"




Joined: August 07 2006
Posts: 5
Posted: June 07 2007 at 08:47 | IP Logged Quote chap178

I believe that any auto parts store worth thier salt should be able to check for a bad coil.  I generally try to start simple and then work my way up.  Its cheaper than the reverse.  How about the light switch itself?  Check under the dash for corossion, or questionable connections. See what the ground wires look like up there.  Follow that hot and ground wire around looking for something that doesn't look up to par.  A multimeter can sometimes be of a great help in checking for continuity.  One good method is to eliminate things that work.  If you can get ahold of some kind of schematic it will prove invaluable.  Like I said before, These problems s*^k

Good Luck

Paul

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