If you are converting to an 87 setup, then definitely go with the 87 harness. One of the relays is the timer relay for the fan. I think one is for the fuel pump, and the other???? Beats me.
You can pick up the parts that you need, like the ecm and coil pack. Hey, Jack may even have an ecm kicking around, and the coil pack and module, you can still buy new.
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Brian
Keep it shiny side up, but show them your dirty side once in a while.
11.3@123mph on 195/75/14" whitewalls. Yes, 195s!
11.2 on the big giant slicks. What's the point? Maybe I'll go back to the whitewalls. They are lighter and have less rolling resistance.
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