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post #1 of (permalink) Old 12-12-2000, 05:15 PM Thread Starter
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Why am I blowing selenoids

I have a 79 cj-5 304, I keep blowing my seleniod. I don't drive the jeep alot, so the battery is always dead when I go to start it. Any help would be appreciated.

Keith

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post #2 of (permalink) Old 12-12-2000, 06:27 PM
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Re: Why am I blowing selenoids

Do you mean it just keeps failing?
Not like melting down or smoking,right?
If you have been buying "autozone" cheapies......thy are junk.
Go to NAPA and buy a premium echlin one.
See if that does any better.

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post #3 of (permalink) Old 12-12-2000, 06:47 PM Thread Starter
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Re: Why am I blowing selenoids

I've been having a couple different problems with them, the first one just stopped working, the second one's side post became loose on the inside causing the truck not to turn off. and now the truck won't even start. While trying to give it a jump, I turn the ignition on and both blinker lights in the dash along with the outside running lights turn on. It's pretty weird. This has never happened before, and I didn't do any new wiring to mess it up.

Keith

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post #4 of (permalink) Old 12-13-2000, 09:03 PM Thread Starter
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Re: Why am I blowing selenoids

Anyone have any other ideas???

Keith

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post #5 of (permalink) Old 12-13-2000, 09:35 PM
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Re: Why am I blowing selenoids

Replace the solenoid. Excessive power draw from the starter and bad grounds readily kills solenoids. Banging on the solenoids with hammers, pliers and screwdrivers kills solenoids. I'd guess the first one just gave up the ghost, and the second one was bad from the factrory. Try a thrid owe and see what happens.

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post #6 of (permalink) Old 12-14-2000, 06:29 AM
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Re: Why am I blowing selenoids

Get a brand new battery. The biggest that will fit. I do this with all my cars. Are any items being left on to draw down the battery? I had a light in the stereo that was inadvertently wired to +12v source. It would pull bat. down in 2 days. Also some older stereos with clocks could be hard on a battery over a long enough period of time. There's always a master battery disconnect switch, but you'll lose the clock and station presets in a newer stereo. Make sure that the alternator is charging like it should. Do you have a puney stock alt. and a lot of electrical acessories? Then the alt. may not have enough output. Finally you can get a continous hold i.e. a 100% duty cycle solenoid. Do a search here for the guys running dual batteries for a p/n.

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post #7 of (permalink) Old 12-14-2000, 03:53 PM Thread Starter
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Re: Why am I blowing selenoids

Lets see, I have a brand new battery in there, and the stereo is brand new also. The only electrical device I have is a 4500 lbs warn winch. I'm just wondering why I have gone through 3 selenoids in only a couple of months. The alternator is stock, and it puts out the juice. The last time I went wheeling, I did do some pretty long and hard winching, I wonder if that could have caused the selenoid to fail. hmmmmmmmmmm

Keith

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