Question for CFI V6 owners

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Question for CFI V6 owners

December 18, 2009, 03:54:55 PM

I went to a salvage yard today to look for the wiring harness that has the plugs into the CFI, TPS, and idle motor with a 10 pin connector on the other end. I looked at a bunch of 3.8 CFI cars in the yard today and could not find the harness anywhere. The plugs were just all part of the main harness. Here are a picture of the harness and a picture of where it is on my engine. Is the harness on your cars the same as mine? Thanks!

Question for CFI V6 owners

Reply #1 – December 18, 2009, 04:20:37 PM

my mustang(84) had them as part of the harness but my thunderbird(86) had plugs for everything you mentioned.
ill see if i can find pics, if i still have them.

Question for CFI V6 owners

Reply #2 – December 18, 2009, 11:05:26 PM

Thanks for the response. Does anybody know what years/cars had the separate harness?

Question for CFI V6 owners

Reply #3 – December 19, 2009, 12:44:07 AM

My 84 looks like that.

Question for CFI V6 owners

Reply #4 – December 19, 2009, 04:07:36 AM

my 87 does not have the 10 pin.
My 84 did.

LIke you said, its not on most of the CFI cars.

also,, did you know you have an aftermarket fuel presure regulator?

Question for CFI V6 owners

Reply #5 – December 19, 2009, 05:44:42 PM

I'm very confused because I looked at several 84 3.8s and they did not have the separate harness.

Yeah, I thought it was an aftermarket fpr.

Question for CFI V6 owners

Reply #6 – December 19, 2009, 06:36:50 PM

i read some time ago that some 3.8s have everything wired in and some dont, havent seen a pattern though. anyone have an idea as to why this is?

replacing the ISC was a little issue without a wiring diagram on my 84, all guess work but it worked though

i think by aftermarket you mean "replacement" FPR.