Having problems with your 1994 Chevrolet C2500 ?
Spark control disconnect
\015 1994 Chevy K2500 Xcab. Where can I disconnect the electronic spark sensor from the computer? The terminal is not on the right firewall as the manuals say & I need to set the timing.\015
Look behind the glove box there will be a brown wire with a black strip it will have a disconnect that looks like a fuse holder.disconnect and set the timing then plug it back after timing is set.
Repair Help & Product Troubleshooting for 1994 Chevrolet C2500
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