Tach wire for MSD Window Switch?

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Apr 13, 2006 | 08:09 PM

BADFNTA

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From: Lawrenceville, GA

Tach wire for MSD Window Switch?

I thought this would be a simple question but I still can't figure it out. I have read that it was Pin #10 but when i pull out my PCM what do you know I have NO Pin #10 Wire. Somebody Please Help!

Apr 13, 2006 | 08:12 PM

brad8266

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Its a white wire(#10) that comes out from the PCM, you do not have to pull the PCM to get to it. If you look at the PCM while its installed where the wires all come out you can read the wire numbers.

Apr 13, 2006 | 09:12 PM

02WS6LS1

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IT IS PIN 35 ON 98 CARS AND IT IS PIN 10 ON 99 AND UP HERE IS A CHART TO CHECK OUT.www.ls2.com/boggs/torques/enginetorques.htm IT HAS EVER THING YOU NEED. THEN GO TO 98 PCM PIN ASSIGNMENTS.

Apr 13, 2006 | 09:16 PM

brad8266

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Quote:

Originally Posted by 02WS6LS1

IT IS PIN 35 ON 98 CARS AND IT IS PIN 10 ON 99 AND UP HERE IS A CHART TO CHECK OUT.www.ls2.com/boggs/torques/enginetorques.htm IT HAS EVER THING YOU NEED. THEN GO TO 98 PCM PIN ASSIGNMENTS.

Sorry about that didnt even notice you had a 98, the bastard stepchild of LSx engines.

Apr 14, 2006 | 09:03 AM

BADFNTA

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Thanks Alot Guys this should be the Final step before I'm sprayin my brains out..

Apr 14, 2006 | 06:39 PM

vette-dream

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Quote:

Originally Posted by 02WS6LS1

IT IS PIN 35 ON 98 CARS AND IT IS PIN 10 ON 99 AND UP HERE IS A CHART TO CHECK OUT.www.ls2.com/boggs/torques/enginetorques.htm IT HAS EVER THING YOU NEED. THEN GO TO 98 PCM PIN ASSIGNMENTS.

Is there a site with some photos showing pin 35 (98 C5 LS1). I've got my battery tray out now and can see lots of 'dirty' black wires, but no blue/red circuits. Do I need to pull out the computer from down below the battery?

Apr 14, 2006 | 08:08 PM

vette-dream

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It does for the red plug, but it's the blue one that you want.. It should show up as the Tach wire.

Does anyone have a picture of how to get 'to' pin 35 on a C5?