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89 gm factory harness to ms2

Posted: Wed Mar 30, 2011 8:06 am
by hotrodk5
89 gm k5 blazer tbi. ms2 to factory wiring harness no relay borad is this posiable if so how and is their a diagram somewhere just got ms2 to day looking for install options. found all pinouts for sensors cant find out how to make starter relay work thankes for the help

Re: 89 gm factory harness to ms2

Posted: Wed Mar 30, 2011 8:52 am
by Matt Cramer
Mark's adapter board makes this pretty straightforward:

http://www.DIYAutoTune.com/tech_article ... _board.htm

Re: 89 gm factory harness to ms2

Posted: Thu Mar 31, 2011 4:42 pm
by hotrodk5
DIYBOB delphi 56 will it come with all the hardwear just needing assebled? lookes like what im needing or do i still need to git resistors rlays ect

Re: 89 gm factory harness to ms2

Posted: Fri Apr 01, 2011 4:14 am
by Matt Cramer
That will work too, although for TBI injectors we also recommend using injector resistors as the TBI injectors draw a lot of current. You'd also need a cable to connect the DIYPNP to your laptop, and it's a good idea to add an IAT sensor, but that's about it.