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Stand alone tachometer

   
Old 06-08-2010, 02:37 PM
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Default Stand alone tachometer
I have a 1990 xlt lariat 4x4
i want to hook up a three wire tach white,black and red.
Anyone know how ?
Manythanks!
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Old 06-08-2010, 02:41 PM
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lol yes...you cant read directions...?

red wire....Positive...hot with Key ON...
black wire...Ground

White wire...trigger wire...hooks to the Negative side of the Coil...(this is the skinny wire)
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Old 06-09-2010, 12:49 PM
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I have a big daddy don garlits dixco flag tach.
I want to put on a 1990 xlt.
There is only 3 wires not the traditional 4
try to remember how to hook it up.
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Old 06-09-2010, 02:02 PM
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Originally Posted by TOOLIN
I have a big daddy don garlits dixco flag tach.
I want to put on a 1990 xlt.
There is only 3 wires not the traditional 4
try to remember how to hook it up.
dude, bowtie just told you where they go
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Old 06-09-2010, 03:44 PM
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Stand Alone? Maybe find someplace comfortably for it to sit!
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Old 06-09-2010, 03:59 PM
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the 4th wire is for the light....if it dont have 4 wires it aint got a light...everything else is all you buddy...

its so simple even a caveman could do it....
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Old 06-09-2010, 09:07 PM
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red key
black ground
green\other trigger probably neg on coil
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Old 06-09-2010, 10:15 PM
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Originally Posted by dr_bowtie
the 4th wire is for the light....if it dont have 4 wires it aint got a light...everything else is all you buddy...

its so simple even a caveman could do it....




god you dr bowtie!!!
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Old 06-09-2010, 10:42 PM
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ha ha ha ha ha ha ....hit to close to home did it...
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Old 06-20-2010, 08:27 AM
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tach has 3 wires,red black and white.
when red is hot and black is grounded,light comes on.so it has a light,duh
the truck has a coil pack.not a old school coil.
does these new style ignitions and efi junk have somewhere in the dash a place to put the wire for the coil side.
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