1997 TJ 4cyl Coil Plug BIG problem - JeepForum.com
 
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post #1 of 5 Old 08-31-2019, 07:31 PM Thread Starter
rkusa
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1997 TJ Wrangler 
 
Join Date: Jul 2007
Location: Western NC
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1997 TJ 4cyl Coil Plug BIG problem

HI, I have a 1997 TJ with 4 cyl engine.
For the last past 3 years, the coil connector has failed repeatedly. It''s a plug with tubes that fit into the male part on the coil. Not the plug that goes to distributor but the one that connects to wiring harness,

I've tried several replacement plugs, but the same thing happens. They lose contact and the Jeep stops dead. No matter what speed etc. When they lose contact it stops running.

So I have tried taking the plug apart and squeezing the tubes....even tried soldering the tubes to the coil.....NOPE.

So I read here that in 1998 they changed the plug design.......

My question is can I buy a 1998 coil and plug and use it on a 1997.

Or has anyone figured out how to make the plug contacts work.

Thanks in advance for any help.

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post #2 of 5 Old 08-31-2019, 11:54 PM
mukluk
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2000 TJ Wrangler 
 
Join Date: Oct 2010
Location: Clyde
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There's no reason why you can't swap out the ignition coil harness connector and install the '98+ coil on your '97 -- the coil specifications stayed the same, only the connector changed. The ignition coil is part number 56028172AC, the connector kit is part number 5102401AA, and the pinout of the original and replacement connector is attached below. Take note the pin cavity numbers reversed.
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post #3 of 5 Old 09-01-2019, 04:14 AM Thread Starter
rkusa
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Location: Western NC
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Thanks.....and Thanks Again. I'll for sure give it a try.

Any recommendations on where to get the plug?
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post #4 of 5 Old 09-01-2019, 09:03 AM
jtec
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2014 JK Wrangler 
 
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try googling the part #'s mukluk gave you,
Visit a local parts store -NAPA- ask for the 98 coil and connector, with that in hand you will be sure of compatibility

When I see the price of OEM I think aftermarket.
When I see the quality of aftermarket I think OEM.
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post #5 of 5 Old 09-01-2019, 11:18 AM Thread Starter
rkusa
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1997 TJ Wrangler 
 
Join Date: Jul 2007
Location: Western NC
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OK, found and ordered parts. Will post results.
Thanks to All
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