Starter Solenoid (2) -
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Unread 07-14-2003, 06:39 AM   #1
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Join Date: Jul 2003
Posts: 9
Question Starter Solenoid (2)

Let me ask the question a different way then previuosly to see if there is some help out there.
I replaced the starter solenoid on my 78 CJ5 304ci as it failed and kept the starter engaged. (burnt out the starter). I replaced the starter and the solenoid.
Voltage on the 'blue wire' from ignition to terminal says 12V when activated but solenoid will not 'click'. Tried the old solenoid (with starter cable disconnected) and the solenoid activated (but i know that the internals are bad) and it 'clicked'. I then applied 12V directly to the the new solenoid from baterry post and it clicked. So I think that there isn't enough power from the ignition switch to pull in the solenoid.
Does this make sense? I read somewhere that in older vehicles the wiring over time increases its resistance and could cause a voltage drop, which is not strong enough to activate a new solenoid. The work around is to install a relay (horn or other) and use the 12v from the battery through the relay to activate the solenoid.

Any suggestions?

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Unread 07-15-2003, 12:44 PM   #2
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Join Date: Feb 2002
Location: stationed in Kansas from IN..
Posts: 28
kill switch and push button start.... In my 82 I kept burning out the solenoid still not sure why. So anyway I took care of the problem. I ran a kill switch to the old solenoid and a push button start this bypasses the old solenoid and I now can start my jeep everytime without worry of it draining my battery. If you are interested in what it took for this send me an email and I will describe it for you
82 CJ7 36" superswampers. SOA ,2 1/2 inch lift springs and a whole lot of dreams. My baby.
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Unread 07-15-2003, 05:41 PM   #3
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Join Date: Jul 2003
Posts: 9
Talking Solenoid Problem SOLVED

Believe it or not I have solved the problem with the solenoid! I changed the solenoid (twice!) which I purchased from NAPA. Something told me to try another one. This time I went to AUTOZONE and I installed it the motor jumped to life IMMEDIATELY. Amazing that the two different ones that NAPA sold me failed.

Well anyway...I am back on the road.

Lesson Learned ...Don't assume that new parts suggested by retailer will work on your application.
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