Quote:
Originally Posted by Cliff8928
The problem with the 3900 is trying to make two completely different generations of electronics work together. The Alero is Class 2 (J1850 VPW) based and the 3900s PCM is GM LAN (CAN) based. You may end up with different modules not wanting to communicate.
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I totally missed that, you're right. I guess in that scenario you'd have to gut a G6's whole wiring and swap it into an Alero and there's basically no chance of retaining the stock gauge cluster because of how data communications would be handled for the 3900. Very complicated...