View Full Version : reinstalling plenum
when reinstalling the plenum there are two connectors on the front, which
one goes where? One has BK,YL and GR wire and the other has BK,OR and BL
the connectors tabs are broken off so they could be put back reversed.
Thanks
John
Happy Thanksgiving
while drag racing i had a stumble/miss at the top of 1st gear a around 6500.
happened a few times ,but only when racing. so i pulled the plenum and
checked the coils primary 1.2 ohms all ok and secondary's all 4 ok. checked
plug wires found # 1 opened ,but it would test good then go open at times.
so new wires ordered ,while waiting for the wires i removed the secondary
throttle system ,sent chip to Mark for revise calibration to remove the
secondary intake port throttle controls. got the chip back ,installed it. then i
could not remember which connectors went where on the DIS . emailed Mark
he got back to me and said the BK- YL and GR went to the passenger side.
so if you brake the tabs on the two front connectors of the DIS and can't
remember which one goes where or you did not mark them (like me) and
this is for a 1990 ZR-1. not sure about other years.
its back together i'll run the tech-1A to check everything is ok.
John
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