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Old 08-07-2020, 08:11 PM   #22
hatzie
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Join Date: Oct 2008
Location: Wentworth, NH
Posts: 5,049
Re: After market stereo

Plugging into a circuit in these newer rigs without knowing what it's fused for and what else is on that circuit is generally a very bad idea.
Depending on what you damaged it may end up that it would've been less expensive to just replace the PAC module with a new one that works properly.

IIRC. There's a 10A ignition switched circuit that's intended for aftermarket accessories in the SEO plug position of the Mid BEC down next to the column on the firewall. You can find info on the Mid BEC plug pinouts in the GM upfitters guides.

Do you have a picture of the junction block you tapped in at? I may be able to find the pinouts and possibly a fuse location in the service manual but I don't really know what you did.
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1976 Chevy K20, 6.5L, NV4500/NP208 SOLD
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RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...Please include at least the year and model in your threads. It'll be easier to answer your questions.
And please let us know if and how your repairs were successful.

Last edited by hatzie; 08-07-2020 at 08:16 PM.
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