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Old 02-12-2006, 09:13 PM   #1
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Installed Tach 98 Gt

Alright, installed an autometer tach w/ shift light saturday... I need to know if anybody knows what color the tach wire is that i need to hook the GREEN wire into. I checked another forum and it said it was a TAN/YELLOW wire. I spliced into it and my tach didnt read an RPM... Everything else was hooked up right.. the only other problem im having is i hooked the white wire into my headlight switch (like it said) so that when i turned on my head lights or parkin lights the light on the tach would come on.... but it comes on whenever i turn the key over. Also, is the wire under the passenger kick panel???
Thanks..
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Old 02-12-2006, 09:50 PM   #2
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Re: Installed Tach 98 Gt

i think you have to have a converter for some years, check and see if you need.
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Old 02-13-2006, 07:15 AM   #3
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Re: Installed Tach 98 Gt

It sounds like you spliced the 12V light wire to an ignition wire, which could be the reason that the light is coming on when you turn the key over... I remember in my 98 and even in the 90 I have now, the headlight/parking light wire is a light brown/tan...
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Old 02-13-2006, 08:33 AM   #4
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Re: Installed Tach 98 Gt

my friends shift light on his tach comes on when he cranks the car.
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Old 02-13-2006, 11:18 AM   #5
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Re: Installed Tach 98 Gt

in my 99 the brown wire is the parking lights.
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Old 02-13-2006, 11:31 AM   #6
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Re: Installed Tach 98 Gt

Quote:
Originally Posted by SpectorV
my friends shift light on his tach comes on when he cranks the car.


My shift light blinks when i turn the key over too
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Old 02-13-2006, 11:36 AM   #7
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Re: Installed Tach 98 Gt

Quote:
Originally Posted by Ibanezplayer272
It sounds like you spliced the 12V light wire to an ignition wire, which could be the reason that the light is coming on when you turn the key over... I remember in my 98 and even in the 90 I have now, the headlight/parking light wire is a light brown/tan...

I thought that could be a possibility as well... I double checked my wires though. I have a water temp. and volt guages on my a-pillar... (autometer ultra-light) and the lights on those guages come on with my headlight/parking light, and they dim/brighten as well. So i just hooked the light wire into those wires.
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Old 02-13-2006, 11:37 AM   #8
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Re: Installed Tach 98 Gt

Quote:
Originally Posted by SpectorV
i think you have to have a converter for some years, check and see if you need.

I asked around, but most said i didnt need one.
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Old 02-13-2006, 11:38 AM   #9
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Question Re: Installed Tach 98 Gt

So does anyone know what color the tach wire is for sure??? and is it under the passenger kick panel?
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Old 02-13-2006, 01:15 PM   #10
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Re: Installed Tach 98 Gt

Ohh you guys are talking about the shift light.. I thought you we're just talking about the light in the tach itself.. oops. :pnoid:
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Old 02-13-2006, 01:36 PM   #11
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Re: Installed Tach 98 Gt

ive always heard it was green/gray or something like that. I am not sure though.
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Old 02-19-2006, 01:08 AM   #12
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Re: Installed Tach 98 Gt

its behind ur instrument panel its the harness on the left the tach wire is brown/yellow it should be the same as mine i have a 97 mustang gt
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