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Unread 06-12-2013, 12:53 PM   #1
TonyPgh
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1995 XJ Cherokee 
 
Join Date: Oct 2011
Location: Irwin, Pa./USA
Posts: 31
Aftermarket Tach

I have a Sun Super Tach 2.
I bought it, and never used it. Now it's time.
I see the one green wire goes to the negative side of the coil.
This coil is quite different than what I am used to seeing.
Where is the negative side? I see a two prong plug that goes on it, is it on of those? And if so, which one?



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Unread 06-12-2013, 08:47 PM   #2
79chiefs
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1988 XJ Cherokee 
 
Join Date: Dec 2012
Location: Lillington, NC
Posts: 964
What is the info on your jeep?
Your Jeep you have on your little info panel is incorrect.
a 95 Cherokee is not a FSJ-Full sized jeep
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95 E34 540i-DD
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Unread 06-12-2013, 08:50 PM   #3
79chiefs
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Location: Lillington, NC
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This link has great info!!
http://www.cherokeeforum.com/f2/wher...hometer-49533/
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Unread 06-12-2013, 08:51 PM   #4
TonyPgh
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Oops. I have to fix that. Its a 95 Cherokee. 4.0
Mine dont say sport or anything on it. Not sure what its considered.
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Unread 06-12-2013, 08:55 PM   #5
TonyPgh
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1995 XJ Cherokee 
 
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Location: Irwin, Pa./USA
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Quote:
Originally Posted by 79chiefs View Post
Thanks. I will check when I get on my pc. I see there are two wires plugged onto the coil. I need to know which one is the negative.
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Unread 06-12-2013, 09:27 PM   #6
TonyPgh
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Location: Irwin, Pa./USA
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Quote:
Originally Posted by 79chiefs View Post
Thanks! I just watched the video. I hope mine has a green striped wire like the video. For the negative side of the coil. I didn't know what would happen to the tach if I hooked to the wrong wire on the coil. There's two to choose from and I know my luck!
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Unread 06-12-2013, 09:27 PM   #7
79chiefs
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1988 XJ Cherokee 
 
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That link should explain it all
Your tac, if like mine should have 4 wires
Red-pos battery, under the dash in the kick panel- i wired it to accessory slot
White-light, i wired mine to my dash lights so it dims
Black-ground
Green-find the green wire on the coil, tap into it.
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99WJ Laredo I6-A 2wd
88XJ-Building on a budget.
95 E34 540i-DD
Had/have 6Jeeps/5Cherokees/4XJ's
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Unread 06-12-2013, 09:30 PM   #8
TonyPgh
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1995 XJ Cherokee 
 
Join Date: Oct 2011
Location: Irwin, Pa./USA
Posts: 31
Quote:
Originally Posted by 79chiefs View Post
That link should explain it all
Your tac, if like mine should have 4 wires
Red-pos battery, under the dash in the kick panel- i wired it to accessory slot
White-light, i wired mine to my dash lights so it dims
Black-ground
Green-find the green wire on the coil, tap into it.
Exactly! I just saw the new style coil, so to speak, and seen the two wires, and was wondering which was the negative wire. So I stopped before I went any further.
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Unread 06-12-2013, 09:34 PM   #9
79chiefs
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It is a little different than the older point style where you need the negative side, a little sensor in the distributor sends the signal via the green wire, so that is the one you tap into.
Glad i could help.
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99WJ Laredo I6-A 2wd
88XJ-Building on a budget.
95 E34 540i-DD
Had/have 6Jeeps/5Cherokees/4XJ's
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Unread 06-12-2013, 09:36 PM   #10
TonyPgh
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1995 XJ Cherokee 
 
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Location: Irwin, Pa./USA
Posts: 31
Quote:
Originally Posted by 79chiefs View Post
It is a little different than the older point style where you need the negative side, a little sensor in the distributor sends the signal via the green wire, so that is the one you tap into.
Glad i could help.
I truly appreciate it. I want to mount mine tomorrow, and fix a few other things.
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