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Author
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Topic: Tach install on a 89 lx
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rayski25
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Member # 11363
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posted
 
 
I have it mounted an hooked up but where do I connect the wire for the back lit light? This is the only problem I ran into. Thanks
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66 mustang v6 converted to 351w(sold)
89 mustang lx(sold)
88 mustang gt(current DD)
Posts: 319 | From: modesto | Registered: Oct 2011
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S550_Andres
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Member # 11083
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posted
I had that same issue so what I connected it to a direct word then installed a switch to turn it on at night an off in the day
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86 notch coyote swapped
89 convertible 302 hci
85 notch 347 hci
Posts: 2747 | From: 650-408 | Registered: Jul 2011
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Marks93
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Member # 11130
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posted
On the back of the dimmer switch, there is a light blue wire. Tap into that one and the back light on the tach will light up with your light switch, and dim when you use the dimmer switch. At least I think it's the light blue one with the white stripe. That's what I did and it works great. Yes, you have to take off the dash piece but it's pretty easy.
Posts: 824 | From: Earth | Registered: Jul 2011
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Adam5.0
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Member # 6995
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posted
the easiest would be the illum. wire for the cd player. dont know what wire it is but just poke around in there with a voltmeter while playing with the lights and dimmer switch and look for the change
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want something old and japanese
Posts: 1609 | From: Brentwood | Registered: Aug 2006
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norcalfiddy
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Member # 11207
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i tapped in to the fuse panel. forgot what one, (ill check tomorrow) and it worked perfect. light turned on and off with the dash lights.
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600HP 1996 7.3L powerstroke single cab short bed race truck
Posts: 3393 | From: Brentwood | Registered: Aug 2011
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rayski25
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Member # 11363
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posted
Ight I'll try most of these tomorrow that's guys
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66 mustang v6 converted to 351w(sold)
89 mustang lx(sold)
88 mustang gt(current DD)
Posts: 319 | From: modesto | Registered: Oct 2011
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84SVOrick
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Member # 9039
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posted
its either a brown or white wire behind the light switch button
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Bay Area Stunnaz
RIP Jeannera "FOXY302"
10/29/87-10/9/10
1984 SVO 302 HCI a basic bitch
1986 GT FOXY302 stolen and totaled R.I.P.
Posts: 1928 | From: Vallejo CA | Registered: Mar 2009
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nasty93
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Member # 8935
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posted
tapped mine into my dimmer switch with a snap on tap connector..
Posts: 464 | From: windsor ,ca | Registered: Feb 2009
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rayski25
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Member # 11363
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posted
I tried the fuse box no luck
I tried the light switch also with no luck
I tryed the dimmer but couldn't really get to it is their anyway to pull it out?
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66 mustang v6 converted to 351w(sold)
89 mustang lx(sold)
88 mustang gt(current DD)
Posts: 319 | From: modesto | Registered: Oct 2011
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just_another_ 91
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Member # 9317
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posted
its the blue and red wire by the stereo
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R.I.P 91 Black LX: 13.45@102.62
Posts: 206 | From: CA | Registered: Jul 2009
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84SVOrick
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Member # 9039
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posted
You could jus run it to a constant 12v source, but the wire behind the light switch is key
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Bay Area Stunnaz
RIP Jeannera "FOXY302"
10/29/87-10/9/10
1984 SVO 302 HCI a basic bitch
1986 GT FOXY302 stolen and totaled R.I.P.
Posts: 1928 | From: Vallejo CA | Registered: Mar 2009
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gercolla1
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Member # 3068
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posted
white wire= to brown wire under headlight switch
black wire= ground it in a clean spot
green wire= to + on coil
red wire= yellow ign wire on ign switch
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Sf Bay Area
Posts: 2171 | From: Sampan San Francisco | Registered: Jul 2003
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