Has Anyone Put A 89 Engine IN 86 Car ?

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11 Jun 2016 14:57 #19062 by Dragonrob
Hi I am new to this forum. I have installed a 89 engine and harness, computers in my 86 928 I was wondering if someone else has done this and if they can give me some tips on what needs to be done with the harness to make it work I would appreciate any help and advice I can get. Thanks Rob.

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30 Jun 2016 13:22 #19091 by Kiln_Red
If you have the engine harness, EZK and LH 2.3 modules and their respective harnesses, then this should be a plug-n-play. Where are you finding a snag?

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30 Jun 2016 13:26 #19092 by Kiln_Red
For future reference, I would suggest to start this sort of topic in the Technical Discussion Forum where I would expect you might have better luck with suggestions.

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30 Jun 2016 14:46 #19093 by Dragonrob
I put in the 89 harness and computers and I have not been able to get spark or fuel injection to work I don't know why it won't work. I am at the point of giving up I traced wire's that needed power and connected them and still no luck if I knew it would not have worked I would have went with a 86 engine. Some people on rennlist said they knew how but never said anything else so I have just left it sit for now.

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30 Jun 2016 14:55 - 30 Jun 2016 14:58 #19094 by Kiln_Red

I put in the 89 harness and computers and I have not been able to get spark or fuel injection to work I don't know why it won't work. I am at the point of giving up I traced wire's that needed power and connected them and still no luck if I knew it would not have worked I would have went with a 86 engine. Some people on rennlist said they knew how but never said anything else so I have just left it sit for now.


There is a 2-pin plug (1 green & 1 white wire) that sometimes is forgotten about during engine R&R jobs. This is from the EZK and it must be plugged in to have spark. Make sure that the connectors aren't pinned behind the CE panel and that the plug isn't disconnected. I've seen this a couple of times. The male and female connectors should be easily located at or around the CE panel.
Last edit: 30 Jun 2016 14:58 by Kiln_Red.

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