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View Full Version : Using 91+ electronics in a 90


Super Bleeder!!
08-11-2007, 09:58 PM
I used to have a 90, but i forgot the differences in the engine bay. Im about to pick up a 90 car again but i'm going to use 91+ electronics.

I know i need to do some splicing for the TPS, so that is covered.

Are the plugs for the coil pack and transistor the same? Anything else i forgot?

JET
08-11-2007, 11:14 PM
CAS is different.

Super Bleeder!!
08-11-2007, 11:42 PM
Ah yes, and i just sold the one i had sitting around for 3 YEARS! UGHH!

JET
08-12-2007, 04:12 AM
Let me dig around, i parted a 90 laser.

Super Bleeder!!
08-12-2007, 09:17 AM
Let me know if you have a 90 ecu.

dragonforce
08-12-2007, 02:33 PM
i have 90 ecu and other electrical parts.

x-pride
08-12-2007, 03:09 PM
Are the plugs for the coil pack and transistor the same? Anything else i forgot?

Nope! 90 coil pack plugs in the engine bay is different and there are two wires different on the 90 ecu. One is the Tach and I forgot what the other one is. The throttle body is different and so is the tranny cable. I hope this answers some of your question.

carltalon
08-12-2007, 04:28 PM
Do this http://www.ecanfix.com/~mdhamilton/ecuconversion.html

Its been working in my 90 for 3+ years now.