I have the shop manual and the wiring manual, but can't seem to figure
out where to connect the signal wire for the tach.
It's an ignition tach, instructions say to connect to the coil
The coil assembly has 4 wires on a dual 2-pin connector. It has pink
and white wires on one side and pink and black wires on the other.
Unfortunately the wiring manual says BOTH connectors have a pink and a
white wire. That just ain't so.
I'm hoping that the signal wire goes into the cab so I can tap it
there. One of the wires does go into the cab (according to the manual
anyway), ckt 121-.8 which goes to connector C101 in the cab.
The digital instrument cluster version of this truck has a tach, my
analog does not. According to the wring manual, ckt 121 is not present
past connector C101 inside the cab for the analog panel. I'm hoping
that means that ckt 121 is the tach signal that my analog panel
doesn't need, so I can just wire my new tach into that pin.
Anyone have any suggestions or experience with this?
I'd just find a digital panel in a junkyard, but I already -have- the
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