SLC 36 Cam's Build

Ehh, I wired it for satellite and had sirius ready to connect. Then i got it running and realized i didnt want alot of insulation, amps and more weight. Id rather hear the engine note, sounds different then your average pushrod LS. The more race it looked, the more I liked it. Plus the more people passed up my friends lambo to look at the SLC. LOL.
 
Hey;
I was messing around with my wiring and lost my tach signal in the process. Dooh!

Does anyone remember where this cavity “C” connector is found, attached? Where do you grab Ignition signal from? It's been 9 years since I wired this thing.
 

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Hey;
I was messing around with my wiring and lost my tach signal in the process. Dooh!

Does anyone remember where this cavity “C” connector is found, attached? Where do you grab Ignition signal from? It's been 9 years since I wired this thing.
The GMPP power distribution box (that big black box with fuses and relays in it) has a pigtail coming out of it with a lot of unused wires. That pigtail has the necessary wires.

Pin C - white wire - is engine speed
Pin L - pink write - is ignition

add a resistor (0.5 watt, 1k ohm) to pin L as per diagram, then join the 2 lines together and send the wire to the digidash tach out. Don't forget to program the digidash to use 2 pulse per rev
 
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