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Title: TC88 Wiring Diagram
Author: fatheadchopper
Date: 10-10-2005



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The following information was posted on the forum by Fatheadchopper (Eric) and is used with permission.


Fatheadchopper shares his proven
TC88 Wiring Diagram

After going through several variations and updates in this thread, the wiring diagram has proven itself, so here it is for all to use.

From fatheadchopper: Well I think its been long enough to say my wiring diagram works. I made some changes to mine:

(1) No starter relay, directly wired through a marine ignition switch rated at 20a
(2) I arranged some resistors to send a 1.5v signal to pin 10 on the black connector (not sure if this is necessary)
(3) I added a wire to pin 4 black so I can use a 12v test light as a check engine light for diagnostics. If you jump pins 1 and 2 on the data link connector it will work.

Some other notes, you can add a tach and use pin 12 black for the signal. A cam sensor is not needed for 2000 and up modules...

I put 950 miles on it with no problems except for hard starting but that is likely something other than wiring. Thanks to bobster for doing it in CAD.


Click above to download a zipfile (50kb) with the PDF.



For questions/corrections/additions, please see this thread.