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Author
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Topic: Anybody have any tips on hooking up an autometer tach?
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BaLleRz68
Gearhead Posts: 104
From: Bay Area, CA
Registered: Aug 2002
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posted 01-14-2003 02:35 AM
   
I'm going to hook up my autometer 5" monster tach soon and was wondering if anybody has some good pointers. Here's what I have figured out so far on the wires.
White - 12v dash lighting
Red - 12v ignition switch (+)
Black - good engine ground
Green - negative side of coil
Whats the best way to tap into the dash lighting and ignition switch? Is it possible to use a 3-wire connector for that? What is a good engine ground? I have MSD blaster 2 coil with a ballastor, will that effect the tach? Any thoughts are appreciated. Thanks.
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V8 Thumper
Gearhead Posts: 3603
From: Orange, Ca. United States of America
Registered: Dec 2001
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posted 01-14-2003 07:56 AM
You can splice into the dash lighting and ignition circuits no problem 
You will need either a wiring diagram for your car, or a circuit tester will do. On '65s, the dash instrument light wire is white w/ blue stripe... not sure about '68s. The ground wire to anything metal.------------------
1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9" All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html
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BaLleRz68
Gearhead Posts: 104
From: Bay Area, CA
Registered: Aug 2002
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posted 01-15-2003 07:52 PM
top
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capri man
Gearhead Posts: 3762
From: doerun, ga.
Registered: Nov 2000
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posted 01-15-2003 08:09 PM
i have the white and red wire both wired to the ign switch. that way whenever the car is switched on the light is also on. my car is race only, you may not want yours this way. good luck------------------
mike r
racing is real
everything else is just a game.
81 capri-7.51 @89mph 1/8
1.54 60 ft.
http://prestage.com/site/site_display.asp?SiteID=141
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