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Unread 03-10-2014, 09:32 PM   #1
mason_128
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1994 YJ Wrangler 
 
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yj 350 swap aftermarket speedometer

I have a 94 yj and im in the middle of a 350 swap. All I have left is to wire up the gauges. I'm going with aftermarket auto meter. Does anyone know how to wire up the speedometer? There's 3 wires going to the sending unit. Orange‚ white & orange and blue & black. They all run to the ECM plug‚ I'm not using the ecm. And the orange & white wire also runs to the gauge cluster plug. Does anyone know how to make it work?

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Unread 03-12-2014, 12:05 PM   #2
87TPIYJ
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What kind of VSS do you have electronic or mechanical? Are you running efi that will need a VSS input? If you have a electronic VSS do you know the Pulse Per Revolution?
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Unread 03-12-2014, 05:17 PM   #3
Why J?
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From the VSS:

Orange is 8v supply from the ECU.
Black w/ blue strip is ground.
Orange w/ white stripe is signal wire back to ECU and the speedo.

You can wire the orange w/ stripe directly to the speedo and 12v from a switched power source to the orange and the speedo will work correctly.
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Unread 03-13-2014, 10:26 PM   #4
mason_128
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Thanks a lot for the help.
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Unread 03-14-2014, 10:44 AM   #5
AbAngler
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I'm going to save you a whole lot of time and frustration. Seriously take a look at the newer GPS speedos. If you have already purchased an electronic Autometer speedo, there is a new GPS module that just hooks up to the guage. http://www.autometer.com/cat_accesso...l.aspx?vid=234

Took me about 10 minutes to install mine and I'm not a fan of anything electrical.

Might cost a bit more, but its the easy button.
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Unread 03-15-2014, 08:32 AM   #6
87TPIYJ
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Quote:
Originally Posted by AbAngler View Post
I'm going to save you a whole lot of time and frustration. Seriously take a look at the newer GPS speedos. If you have already purchased an electronic Autometer speedo, there is a new GPS module that just hooks up to the guage. http://www.autometer.com/cat_accesso...l.aspx?vid=234

Took me about 10 minutes to install mine and I'm not a fan of anything electrical.

Might cost a bit more, but its the easy button.
That is pretty cool. Because I had a 40 tooth tone ring and my ECM wanted to see a 4PPR I had to buy a Dakota sgi-5. Then I set the autometer gauge to 4000PPM (ECM output to gauge).
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Unread 03-18-2014, 04:01 PM   #7
AbAngler
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Thats basically what I was facing too. This seemed like a no-brainer. They are apparently getting quite popular with the muscle car crowd as well. When I bought mine, they had sold 4 others that morning. Good product.
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