Tach questions in a fox stang
05-08-2010, 04:28 PM
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Tach questions in a fox stang Was wondering how to get a tach signal to the stock gage.
I thought just hooking up the output from the computer to the line going into the stock gage would work since the car was originally a 4 cylinder no dice.
Is there a converter box people use?
I thought just hooking up the output from the computer to the line going into the stock gage would work since the car was originally a 4 cylinder no dice.
Is there a converter box people use?
05-08-2010, 08:31 PM
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-Garrett
did he use HPtuners? do you have a copy of the file?
05-08-2010, 08:50 PM
#6
In HPT there is a way to modify the signal count so it will work with a 4, 6 or 8 cyl tach but I'm not aware of any other differences. I'm running a Dakota Digital box because I didn't know this before I bought it. My tach always worked fine but wasn't accurate (former V6 car) so I installed the box since I didn't have access to HPT.
I have heard of some people needing a resister in the path to get the reading to steady out or read at all but I don't remember all the details of why. Read here for what I am talking about and give it a go. Hopefully it works for you.
I have heard of some people needing a resister in the path to get the reading to steady out or read at all but I don't remember all the details of why. Read here for what I am talking about and give it a go. Hopefully it works for you.
05-08-2010, 08:59 PM
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No I don't know what he changes or what he uses to program to ecm. I've talked to a couple of tuners and they have all said that this is no problem. I'm currently in the assembly stage myself right now and do not have the car even close to running right now, just doing research(like everyone else) to hopefully have things go as smooth as possible!
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05-10-2010, 02:34 AM
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I used a 4 cyl tach.. but it was for a 93. All i did was connect the tach wire to the ecu tach signal wire.. You might try swaping out to a different cluster?
05-11-2010, 07:35 PM
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In HPT there is a way to modify the signal count so it will work with a 4, 6 or 8 cyl tach but I'm not aware of any other differences. I'm running a Dakota Digital box because I didn't know this before I bought it. My tach always worked fine but wasn't accurate (former V6 car) so I installed the box since I didn't have access to HPT.
I have heard of some people needing a resister in the path to get the reading to steady out or read at all but I don't remember all the details of why. Read here for what I am talking about and give it a go. Hopefully it works for you.
I have heard of some people needing a resister in the path to get the reading to steady out or read at all but I don't remember all the details of why. Read here for what I am talking about and give it a go. Hopefully it works for you.
