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S Chassis Technical discussion related to the S Chassis such as the S12, S13, S14, and S15.


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Old 10-09-2012, 10:41 PM   #1
brandonp33
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help me with s13, sr20det

hey guys, i tried to avoid making a new thread as much as possible but couldnt get much help from google or zilvia so I just need some help!

I have a 1990 s13 that had a sohc engine in it and got it swapped with a blacktop sr20det. everything works fine but the tachometer on the cluster doesn't move. i was told it needed a dohc cluster so i bought one and plugged it in today and still that tachometer wasn't working. i checked and the wire is giving off a signal to tachometer its just the needle for revs won't move at all.

do i need some sort of harness that i needed to change too? or do you just change the cluster and plug into the sohc harness that was already there?


Im thinking maybe the tach on the dohc cluster i got is bad and the guy lied about saying it worked. I might just buy another dohc cluster and see if anything happens.
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Old 10-09-2012, 10:43 PM   #2
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I know the tach on my redtop works on my piggy and it's the original cluster on the car

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Old 10-09-2012, 10:48 PM   #3
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Quote:
Originally Posted by Freakchakra View Post
I know the tach on my redtop works on my piggy and it's the original cluster on the car

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what year is your car, a 89?? i thought you have to have a 91 and up s13 for it to work like that? thats what i thought i read online.
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Old 10-09-2012, 10:53 PM   #4
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They might have wired in a resistor, and yes its an 89... Kinda regret buying some one project and fixing it but its about giving their screw ups the right way lol. But I do know its thee original cluster

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Old 10-09-2012, 10:58 PM   #5
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Quote:
Originally Posted by Freakchakra View Post
They might have wired in a resistor, and yes its an 89... Kinda regret buying some one project and fixing it but its about giving their screw ups the right way lol. But I do know its thee original cluster

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I think i read mixed answers online of resistors working and not working, thanks for the input i just wish my question would be answered.
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Old 10-17-2012, 07:34 AM   #6
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Did you change the speed sensor to a US speed sensor? (just spit balling) lol
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