# gm 350 help

**URL:** <https://forums.speedlife.net/t/gm-350-help/180411>\
**Category:** PittSpeed Automotive\
**Created:** [February 20, 2006, 7:25pm UTC](https://forums.speedlife.net/t/gm-350-help/180411 "2006-02-20T19:25:02Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![fmfkid250](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/fmfkid250/32/5973_2.png) [@fmfkid250](https://forums.speedlife.net/u/fmfkid250)\
**Post date:** [February 20, 2006, 7:25pm UTC](https://forums.speedlife.net/t/gm-350-help/180411/1 "2006-02-20T19:25:02Z")

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I have no idea what these 2 plugs do the one off the coil and the one off the back of the motor

![http://www.pittspeed.com/uploaded/DSC00071.JPG](http://www.pittspeed.com/uploaded/DSC00071.JPG)  
 ![http://www.pittspeed.com/uploaded/DSC00077.JPG](http://www.pittspeed.com/uploaded/DSC00077.JPG)

this is going to be my tow rig for the summer if it ever runs  
 ![http://www.pittspeed.com/uploaded/DSC00074.JPG](http://www.pittspeed.com/uploaded/DSC00074.JPG)

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**Author:** ![Pewter](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/pewter/32/5936_2.png) [@Pewter](https://forums.speedlife.net/u/Pewter)\
**Post date:** [February 21, 2006, 4:56am UTC](https://forums.speedlife.net/t/gm-350-help/180411/2 "2006-02-21T04:56:48Z")

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wire by coil is for a tach hook up,what color wire is on the rear plug?  
what happand to the daully?

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**Author:** ![fmfkid250](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/fmfkid250/32/5973_2.png) [@fmfkid250](https://forums.speedlife.net/u/fmfkid250)\
**Post date:** [February 21, 2006, 6:38am UTC](https://forums.speedlife.net/t/gm-350-help/180411/3 "2006-02-21T06:38:47Z")

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The dually is going up for sale, just cant afford it, it just got a bigger new twin screw kenny bell charger.

thanks, im not sure what color that wire is i am going to have to look, i think it might be for and o2 sensor but i am not sure

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**Author:** ![Pewter](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/pewter/32/5936_2.png) [@Pewter](https://forums.speedlife.net/u/Pewter)\
**Post date:** [February 21, 2006, 6:41am UTC](https://forums.speedlife.net/t/gm-350-help/180411/4 "2006-02-21T06:41:24Z")

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> [@fmfkid250](#):
>
> The dually is going up for sale, just cant afford it, it just got a bigger new twin screw kenny bell charger.
> 
> thanks, im not sure what color that wire is i am going to have to look, i think it might be for and o2 sensor but i am not sure

if its purple,it is!

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**Author:** ![imported\_gearhead](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/imported_gearhead/32/5957_2.png) [@imported\_gearhead](https://forums.speedlife.net/u/imported_gearhead)\
**Post date:** [February 21, 2006, 6:44am UTC](https://forums.speedlife.net/t/gm-350-help/180411/5 "2006-02-21T06:44:31Z")

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Crank pickup?

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**Author:** ![imported\_Hero](https://avatars.discourse-cdn.com/v4/letter/i/ccd318/32.png) [@imported\_Hero](https://forums.speedlife.net/u/imported_Hero)\
**Post date:** [February 22, 2006, 6:20pm UTC](https://forums.speedlife.net/t/gm-350-help/180411/6 "2006-02-22T18:20:43Z")

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I’ve seen that Burb on my way home from work!

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**Author:** ![FourGee6Tee3](https://avatars.discourse-cdn.com/v4/letter/f/b5ac83/32.png) [@FourGee6Tee3](https://forums.speedlife.net/u/FourGee6Tee3)\
**Post date:** [February 23, 2006, 12:37pm UTC](https://forums.speedlife.net/t/gm-350-help/180411/7 "2006-02-23T12:37:10Z")

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That thing is awsome. And I will second crank pickup for the plug in the back. The coil can’t help ya.