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Old 10-26-2013, 10:02 PM   #1
jaredbarnes70
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aftermarket tach wiring Help! tachdriver/adapter

bought an aftermarket tachometer for my car I need to know if I have to buy a tach driver or if I can wire the green wire into the car without burning the ecu don't really wanna have to spend 80
extra dollars for the driver.


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Old 10-27-2013, 08:30 AM   #2
jaredbarnes70
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bump
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Old 10-27-2013, 09:38 AM   #3
mikeeshaq
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So you are asking about a no name tech? Where we cannot even Google information on it?

NAME!!
MODEL!!
ANY OTHER INFORMATION!!
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Old 10-27-2013, 10:40 AM   #4
jaredbarnes70
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dragon gauge is the brand
there's not a model number from what I see
has 3 wires red for power black for ground and green for the rpms
says to wire to negative side of coil or to the tach output sensor but I'm not sure where to wire it into
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Old 10-27-2013, 01:09 PM   #5
mikeeshaq
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You have to hook it to an ignition signal, the factory tach gets a refinded voltage that won't drive an aftermarket one

You are realizing that you are connecting a unknown something or the other to a system [car] that has more computer/ electronics than what went to the moon!!

My advice is to toss that thing. WHY would you risk blowing up your ECU?

This is how to search in Google, anything on the next line is entered PRECISELY!
"Dragon Gauge" tachometer
Explanation anything inside double quotes is treated as one term
Maybe you can be so lucky to find some sucker that hooked that thing to his Ford and blew his ECU and now is crying about it

I am totally amassed at the number of people that report 'battery problems' and throw parts at that problem but yet cannot take voltage reading with a ~$5.00 Harbor Freight mutimeter
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