Also its a 98 l67 out of a park avenue ultra. (4t65e........NOT hd).

All of this wiring is intimidating. I was wondering who still sells custom harnesses for such a project. Thanks Fiero.nl!

Yes I do http://reddevilriver.com

gofast@reddevilriver.com

920.403.0811

Timm Bacher

As do I and all my harnesses come with a matching programmed PCM at no extra cost or I can help you build your own harness. Dan

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DARN Cars now open with
Over 30 years wiring experience between cars and trade as an avionics technician in both Canadian Air Force and civilian aviation.
Over 25 years experience building and modifying cars.
Over 10 years of full Fiero engine swaps and harnesses building and still going.

Dan (FieroFlyer) has been a great resource since I started doing my own harness. I sent my harness out to another vendor and after 3 months he hadn't started on it and ignored my emails, calls and texts.
I would've sent mine to Dan, but he was honest and told me he was too back-logged. Hind-sight I could've already had mine done if I hadn't been misled by other vendor.

+1 for FieroFlyer. He built two 3800 swap harnesses for me without issue.

Anyone who thinks the cost is high, It's NOT. you save your sanity and it's going to work the 1st time. I made my own, it is not for the faint of heart. If I had to do it again, I would gladly pay either of them to do it for me !