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s13 tach not working

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I'm buying a 92 240sx w/ sr20det done, and the tach does not work, any ideas of why it may not work? The seller says it worked previous to swap. Any suggestions?...
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Old 12-01-2005, 09:46 PM   #1
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I'm buying a 92 240sx w/ sr20det done, and the tach does not work, any ideas of why it may not work? The seller says it worked previous to swap.
Any suggestions?
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Old 12-01-2005, 10:15 PM   #2
 
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do they have a vss?
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Old 12-01-2005, 10:46 PM   #3
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idk much about them, that's why im trying to learn, anybody know a good nissan site?

Also isnt the vss for the speedo and not the tach?
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Old 12-01-2005, 11:01 PM   #4
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cuz the stock tachs dont read the sr20 input.

you have to unsoder some connections and then resoder some others

I dont remember what off the top of my head.
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Old 12-02-2005, 02:03 AM   #5
 
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apparently, you have to do some tachtical soldering.
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Old 12-02-2005, 02:05 AM   #6
 
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bad pun...and i dont know why i thought the vss had something to do with the tach. I really do know the dizzy sends that signal...
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Old 12-02-2005, 08:34 AM   #7
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Originally Posted by NissanNiNjA2nd @ Dec 2 2005, 12:01 AM) [post=594565
Quoted post[/post]]
cuz the stock tachs dont read the sr20 input.

you have to unsoder some connections and then resoder some others

I dont remember what off the top of my head.
So just re-wire some stuff?
Is there any way to just swap out the entire cluster for the tach to work?
And do you know where I can find some sort of diagram to re-wire it?
And would this be re-wiring behind the cluster?
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Old 12-02-2005, 11:56 AM   #8
 
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Start simple - at the signal wire on the dizzyitself. Then do a continuity test through the line to the gauge connector. Finally, check the gauge.

The SR20 swap really shouldn't impact the tach unless the physical connection wasn't made. I have an SR20DE in stock form if you need reference. (1993)
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Old 12-02-2005, 01:11 PM   #9
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I'm more than likely buying an aftermarket tach along w/ boost gauge, autometer cobalt. Backlit LED which isnt bright like the others.
So I will need to know which wire on the dizzy is the signal wire for the tachometer
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Old 12-02-2005, 01:42 PM   #10
 
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Quote:
Originally Posted by VTECPOWER @ Dec 2 2005, 12:11 PM) [post=594816
Quoted post[/post]]
I'm more than likely buying an aftermarket tach along w/ boost gauge, autometer cobalt. Backlit LED which isnt bright like the others.
So I will need to know which wire on the dizzy is the signal wire for the tachometer
one way to find the wire is use a test light.

hook the ground clip to the tach wire, hook up the power wires and ground wires up, and use the test light to find the wire that gives you rpm signal to the tach
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Old 12-02-2005, 01:44 PM   #11
 
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Quote:
Originally Posted by VTECPOWER @ Dec 2 2005, 02:11 PM) [post=594816
Quoted post[/post]]
I'm more than likely buying an aftermarket tach along w/ boost gauge, autometer cobalt. Backlit LED which isnt bright like the others.
So I will need to know which wire on the dizzy is the signal wire for the tachometer
Cobalts, even when digital, are brightly lit around the trim just like the other gauges.

The D-PIC gauge in Cobalt is neat though.
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Old 12-02-2005, 01:46 PM   #12
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Quote:
Originally Posted by ripperbone @ Dec 2 2005, 02:42 PM) [post=594850
Quoted post[/post]]
Quote:
Originally Posted by VTECPOWER @ Dec 2 2005, 12:11 PM) [post=594816
Quoted post[/post]]
I'm more than likely buying an aftermarket tach along w/ boost gauge, autometer cobalt. Backlit LED which isnt bright like the others.
So I will need to know which wire on the dizzy is the signal wire for the tachometer
one way to find the wire is use a test light.

hook the ground clip to the tach wire, hook up the power wires and ground wires up, and use the test light to find the wire that gives you rpm signal to the tach
haha, yeah, but i was just wondering if anyone know off hand which one was the signal wire.
that is probably what i will have to do.

anyone know what a good nissan - tech site is?

Quote:
Originally Posted by Celerity @ Dec 2 2005, 02:44 PM) [post=594852
Quoted post[/post]]
Quote:
Originally Posted by VTECPOWER @ Dec 2 2005, 02:11 PM) [post=594816
Quoted post[/post]]
I'm more than likely buying an aftermarket tach along w/ boost gauge, autometer cobalt. Backlit LED which isnt bright like the others.
So I will need to know which wire on the dizzy is the signal wire for the tachometer
Cobalts, even when digital, are brightly lit around the trim just like the other gauges.

The D-PIC gauge in Cobalt is neat though.
I dont want to spend too much money on gauges, but I want something that looks good.
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DB8 450whp project......
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Old 12-02-2005, 01:48 PM   #13
 
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Quote:
Originally Posted by VTECPOWER @ Dec 2 2005, 12:46 PM) [post=594853
Quoted post[/post]]

I dont want to spend too much money on gauges, but I want something that looks good.
[img]style_emoticons/<#EMO_DIR#>/blink.gif[/img] cobalt's are expensive gauges
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Old 12-02-2005, 01:59 PM   #14
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Quote:
Originally Posted by ripperbone @ Dec 2 2005, 02:48 PM) [post=594857
Quoted post[/post]]
Quote:
Originally Posted by VTECPOWER @ Dec 2 2005, 12:46 PM) [post=594853
Quoted post[/post]]

I dont want to spend too much money on gauges, but I want something that looks good.
[img]style_emoticons/<#EMO_DIR#>/blink.gif[/img] cobalt's are expensive gauges
I looked them up and like $250 for tach, 60 for the boost.
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Old 12-02-2005, 02:34 PM   #15
 
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Quote:
Originally Posted by VTECPOWER @ Dec 2 2005, 12:59 PM) [post=594861
Quoted post[/post]]
Quote:
Originally Posted by ripperbone @ Dec 2 2005, 02:48 PM) [post=594857
Quoted post[/post]]
Quote:
Originally Posted by VTECPOWER @ Dec 2 2005, 12:46 PM) [post=594853
Quoted post[/post]]

I dont want to spend too much money on gauges, but I want something that looks good.
[img]style_emoticons/<#EMO_DIR#>/blink.gif[/img] cobalt's are expensive gauges
I looked them up and like $250 for tach, 60 for the boost.
[img]style_emoticons/<#EMO_DIR#>/blink.gif[/img] they must have dropped in price, when I was looking at the cobalts the gauges were 199 each
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Old 12-02-2005, 03:37 PM   #16
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Get a hole saw

cut out the entire tach

fit in a 4" analog 10k tach

wire

done.
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Old 12-08-2005, 05:07 PM   #17
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So, do you know the actual wiring that is needed to get the stock one to work, i dont want to cut out the stock one, also the water temp gauge doesnt work, i was told that the sr20det's don't have a temp sender? Is that correct?
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Old 12-09-2005, 08:06 AM   #18
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Might Want to ask at Indycarz.com/forums they might know something. Ya never know...
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Old 12-10-2005, 02:29 PM   #19
 
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why not try freshalloy or 240sxone?
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Old 12-10-2005, 06:47 PM   #20
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Quote:
Originally Posted by TurboMirage @ Dec 10 2005, 03:29 PM) [post=598443
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why not try freshalloy or 240sxone?
Are those some good nissan sites?
thanks! that's what I was asking for!
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