Riviera digital Instrument cluster (IC) into a Fiero dash (Page 2/14)
kevin AUG 03, 09:09 PM
Any updates? I got cash in the bank! Show me a picture of the final projtct👍👌
Kevin

9/6-600-6482
Chris Eddy AUG 03, 10:46 PM
At some point I have to make the PC board, and will charge what it costs me, as I do not figure many people will embark on this project..
Meanwhile, if you want to get ahead of it, you should secure a working Riviera IC. Look for 1990-93 Buick Riviera and 90-91 Buick Reatta.
It will be hard, I see 2 listed on car-part and 3 on ebay.
They were known to overheat and burn out, so I would be wary of that (although you cannot exactly test them, I could connect up it to test for you).
Cajun AUG 08, 06:04 AM
I picked up my two Riviera digital instrument clusters from the local Pull-a-Part a few years back for about $30. I noticed now the price has gone up a bit, $35.

That price is a far cry from people on eBay are asking if you are lucky enough to locate one!
Cajun AUG 08, 12:01 PM
Currently working up a road map for the crossover wiring and have ordered additional mini terminal strips for the crossover wiring.

A side note, I am having surgery Monday and will be out of commission for about two weeks. Once the doctor gives me the all clear I will resume the project.

Mike
Chris Eddy AUG 09, 08:22 AM
We'll all be praying for you Mike.. God's speed.
Cajun AUG 13, 07:56 AM
For those who are interested this what the Fiero BCM & Riviera digital IC (instrument cluster) test jig looks like.
Cajun AUG 14, 11:00 AM
I have completed the interface wiring road map. That is about all the doctor will let me do for the time being. Anyway, the following drawings (hand drawn) are drafts and for the moment does not reflect what the actual will look like. Once the wiring is actually completed I will update as required. The fourth dwg. is by Chris Eddy. His wiring interface interpretation version 3. You will notice in reviewing the drawings there are a number of features that are not currently available a Fiero instrument cluster.

This first drawing represents interface wiring from the "Fiero IC connector C-3":


This next drawing represents interface wiring from the "Fiero IC connector C-2 & C-1":


The next drawing represent interface wiring from the Fiero BCM & Riviera IC:


This last drawing is of the "Fiero BCM" interface wiring:


If anyone has any questions or comment please do not hesitate to ask.


Mike
Cajun AUG 15, 07:54 AM
To support and mount the Riviera digital IC I fabricated several clips that were attached to the Fiero surround. I used 1/4' rivets to attached the clips to the surround. The position of the clips correspond to the location of mounting holes on the Riviera IC. This mounting option will allow for the removal of the Riviera IC with having to remove the surround.




A side note; When this project is all said and done, complete my GT will have three (3) BCMs installed. 1) the dedicated Fiero BCM to interface with the Riviera digital IC, 2) 2001 Firebird BCM to give me RAP, remote door lock & unlock plus other functions and 3) 2002 Grand Prix A/C controller (modified) for the digital AC unit. Here is a photo of the Firebird BCM. It's amongst the wiring associated with the dash.

[This message has been edited by Cajun (edited 08-15-2020).]

Cajun AUG 20, 09:35 PM
a bump.....didn't want this thread to sink too far down the list.

As soon as the doctor gives me a release I will be hot and heavy on the project.

Please all take care & be safe............
Cajun SEP 02, 05:34 PM
Sorry for the delay on any progress on this project... Laura paid us a visit. No real damage here, no electricity for 3 days and no internet for 4 days. Now that I have some time to spend on the project the temperature is unbearable! My garage/shop is not air conditioned and for the most part the day time temperature inside the shop is hovering around 102. Not a pleasant place to be working inside. Anyway.....

I have begun the rewire process in earnest. I have cut out the Fiero instrument cluster connector "C3". Made the necessary wiring adjustments and installed (wired) the interface terminal strip. Hopefully, next week I will continue with the removal of IC connectors C2 & C1. Then wire in the Fiero BCM interface connector to the Fiero wiring and the Riviera digital IC.

This is the Fiero IC C3 connector:


The Fiero IC C3 connector removed:


Finally, the Fiero IC C3 connector interface terminal strip:


Originally I was going to use Mini-Fit connectors. However, once they arrived I saw their size and decided to go with the mini terminal strip route do to space availability.