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tach converter for digital dash


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Posted

does anyone know how to make a converter to take the analog signal and make it the digital signal needed to run the digi dash

Posted

brianteel, what vehicle is this going into and what didgidash do you have?

(ie CS UB3 digi-cluster?)

Posted

I was under the impression that signal was analog. It is made digital by the cluster itself?

Posted

it is a 1990 Cutlass digi dash intl. i need to convert the signal that the tach puts out to a signal that the dash can read. i know of one guy who did it but does not have the time to make another......need 2 as of now and maybe more....

Posted

Ouch, I don't know. So it sounds like you have to make the factory cluster work with the new engine, then? Can someone put up a wiring diagram for the ub3 cluster in a 90-92 CS? This would help me solve an issue too. any other ideas?

Posted

i know what needs to be done i just dont know how to do it....you need a chip prgrammed and a circuit board

Posted

sorry, i missed that. doh! :oops: were going to turn this into 2 pages yet just from my bullshit. edit: and i did! i know who to ask. ill do that as soon as i see him.

Posted

No, we understand what you are talking about we just don't know how to do it. read this thread.

http://www.w-body.com/forum/viewtopic.php?t=4551&highlight=rpm+orange+wire&sid=211dbf696c1397a711c170b208fcc9c4

 

Basically the digi-tach doesn't read from the white wire coming from the coils like a normal analog, it recieves it's signal from the ecm... I assume you are putting in a pcm to go with the L67 engine, you need to see if that would have an identical output to the orange wire menitoned...

Posted

yes that orange wire....yes i am using the 98 GTP motor and harness and PCM....since the signal is from the ALDL connector and the GTP does not put that signal i need a converter to conver the white wire to the orn wire signal

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