Hi Everyone! First post.
I purchased a 16197427 PCM from a salvage yard for a Chevy 292 project. The donor vehicle was a 1994 4.3L S10 Blazer. It has a BHRJ memcal which I think means it came from a 4.3L CPI engine. The PCM has a box with a 32 pin connector attached to it. Anyone know the function of this box? I've searched and searched and cannot find an answer.
1994 S10 Blazer 16197427 BHRJ PCM with unknown box_1.jpg
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