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Author
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Topic: Quick! Installing a Tach
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FloJoe
Gearhead Posts: 317
From: Port Orange, FL, USA
Registered: Dec 2000
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posted 01-09-2002 03:34 PM
   
Im installing a autometer tach and it tell me to put the red(+) wire to the 12v igniton switich. Where on the switch do I put it???------------------
Joe Fields
68 Fastback 289ci bored .030 over
C-4
"Scars give character."
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blown 351
Journeyman Posts: 12
From: Seattle, Wa. 98258
Registered: Dec 2001
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posted 01-09-2002 03:59 PM
I would assume to the "I" post, as......
the s post energizes the solinoid for start
the center post is power to the ignition switch
the acc post is energized without the ignition.
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ciscokid
Journeyman Posts: 20
From: Cleveland, TN
Registered: Jul 2001
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posted 01-09-2002 04:00 PM
You need to connect it to a 12V circuit that is only active when the ignition switch is on. There are several such circuits, with the radio probably being the easiest and most accessible. Just tap into the power lead for the radio and you're set! That will also get you on the fused side of the circuit, which is a plus.
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FloJoe
Gearhead Posts: 317
From: Port Orange, FL, USA
Registered: Dec 2000
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posted 01-09-2002 04:04 PM
another question where would i put the lighting wire at?------------------
Joe Fields
68 Fastback 289ci bored .030 over
C-4
"Scars give character."
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ciscokid
Journeyman Posts: 20
From: Cleveland, TN
Registered: Jul 2001
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posted 01-09-2002 04:22 PM
Tie it into the dash lights and it will come on and off and dim along with them. You may have to pull the dash loose to get to the back where the bulb sockets are, but you could tap into any of the bulb feed wires. You might be able to see them from under the dash if you can twist yourself into a pretzel.
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Fastymz
Gearhead Posts: 2847
From: Reno Nv
Registered: Apr 2001
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posted 01-10-2002 12:25 AM
quote:
Originally posted by ciscokid:
Tie it into the dash lights and it will come on and off and dim along with them. You may have to pull the dash loose to get to the back where the bulb sockets are, but you could tap into any of the bulb feed wires. You might be able to see them from under the dash if you can twist yourself into a pretzel.
Thats what I did I just used alittle clip on thing.The bad part was I got under the dash and was able to work there.Then when I was done.I couldn't get back out,really I was stuck.I was calling for help,I was pinned under the steering wheel.I thoght my wife was going to have to remove the wheel.It took her my father inlaw and my two kids to help me out.  Dam funny now... SCOOP
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65 coupe,351w,RPM intake,Carter625,shorty headers,2.5 exhaust, Flowmasters,C4,open 8" 2:80,Big Boss 429 hood scoop,Crager SS,Black Suede.
MEM#1240 https://mustangsandmore.com/ubb/Fastymz.html
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