TR Upgrade Question - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 07-06-2001, 12:04 PM
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TR Upgrade Question

How is the connection made for an MSD box to the TFI coil? Is there an adapter harness?

'85 CJ7, stock, in pieces....coming together. Daily driver - 2000 FLSTC
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post #2 of (permalink) Old 07-06-2001, 10:40 PM
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Location: Des Moines, IA
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Re: TR Upgrade Question

There are two different ways to hook it up, one way bypasses the ignition module, the other way doesn't. This was discussed quite a bit several months ago, a search of old posts should get you all the info you need.

87 Cherokee 4.0, 90 Wrangler 4.2, 95 Wrangler 2.5
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post #3 of (permalink) Old 07-07-2001, 12:42 AM
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Re: TR Upgrade Question

You can buy an MSD harness, but you will only use half of it, or you can buy a TFI connector from any parts store. I found the MSD harness is about the same price as the TFI pigtail. As far as hooking the coil up, just follow the directions that come with the MSD. They work with any coil, TFI or not.


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