You want the power wire on the accesories so that its only on when the ignition is in run.
Best way to do this is run a wire with a male spade onthe end to the fuse panel and just plug it into an empty hole marked "acc".
The tach plug you leave unless of course you have a tach
. Make sure to use a good wire, its the only thing keeping the truck running.
Good luck.
CoryM
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1970 heavy duty C-10 fleetside sport truck. Vancouver B.C. Canada
http://www.geocities.com/chevroletc1070
"Take up our quarrel with the foe:
To you from failing hands we throw
The torch; be yours to hold it high."
Lieutenant Colonel John McCrae, Canadian Army
__________________
1970 heavy duty C-10 fleetside sport truck. Vancouver B.C. Canada
http://www.geocities.com/chevroletc1070
"Take up our quarrel with the foe:
To you from failing hands we throw
The torch; be yours to hold it high."
Lieutenant Colonel John McCrae, Canadian Army