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Click on image for the lowdown. 
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| | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 |
I do not recall that a wire goes through the firewall?
One wire is probably for power from the fan/blower-switch mounted on the dash.
The other wire is probably a ground wire (attach it to a screw into any cab sheet metal - a screw into a hole in the firewall would be fine).
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