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1978 115hp gauges wiring

comet424

Regular Contributor
hi
so I have these new gauges from a while back from Faira a tach volt and sperdometer


now I have the lights fused for it
but do you fuse the volt meter power? do you fuse the tach sender wire and tach power wire from the iginition?

and the ignition what contact does the White generator wire go on?? as right now the switch I have looks like in the image but its attached to the blue wire

http://www.maxrules.com/graphics/force/wiring/Chry3_4CylMagBreakerless.gif

does anyone have a break down what the contacts should be on the iginition
 
on this ignition I have

no label (I guessing that's for the ground wire
BAT= for battery
ST = for STarter
CH - Choke
ING = For Ignition
MAG = (no idea what that's for?)
 
sorry that's purple wire for generator, and I guess I go that wire directly to the voltmeter

the white wire is for the tach can run te sender wire to the Ignition screw
as then ill haveon that one screw

Ignition blue,Sender wire from tach,sender wire for tach from engine, power wire to power the tach, and wire for horn for the over heat horn
 
so I found a junction block so I screwed it beside the ignition

so I took the white white and junctioned it toSender
I did also the ground wire
the Horn(over heat) wire
the tachometer wire
the g

and on the Blue ignition wire I ran a wire to power of tach but no fuse, and the wire to the over heat horn

does that sound right? if I need a fuse between ing and tach to power it what size? and no fuse between the voltmeter right
 
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