Quote:
Originally Posted by OmniCamaro
***QUESTION***
On the new radio harness: does it matter which bundle of red, black, bare wires go to the AC and Onstar harness? Hopefully not. Also, my white wire is totally separate from the bundles. It's a pin on one end and a t-tap on the other. I've read and watched but where it goes I must be missing.
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Yes it does matter. Download the newer instructions that Ofer posted. The one that I just sent him will be uploaded later today.
The White wire has the T-tap it goes to pin 43 of the main radio harness A11 for BA systems, and the other end goes to pin 18 of the HVAC/Radio connector A20.
Do you have a BA or non-BA system? If non-BA system then you won't have a wire in pin 43 and GEN5DIY should have supplied you with a new wire. Either way the other end of pin 43 goes to pin 18 of the HVAC/Radio connector A20.