Author Topic: What's this???  (Read 2142 times)

Offline y2k_harley

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What's this???
« on: October 13, 2009, 09:13:32 pm »
http://img117.imageshack.us/img117/2520/10421150701481474504816.jpg

I am curious, what is the thing on the firewall above the right valvecover with the vaccum hose attached?  I have it on my truck, but it doesn't have a vaccum hose attached.  Where does the vaccum hose come from?
« Last Edit: October 13, 2009, 09:47:17 pm by y2k_harley »

Offline choptop

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Re: What's this???
« Reply #1 on: October 13, 2009, 09:23:44 pm »
I believe its the lockup switch for the torque convertor
76 C10 Choptop,76 C10 Swb
85 C10, 85 K10, 85 K20,86 C10,86 K10 (all extended cabs)
86 C30 extended crewcab

Offline y2k_harley

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Re: What's this???
« Reply #2 on: October 16, 2009, 05:56:56 pm »
Hmmm.  The tranny isn't a 350C, there isn't any wires attached.  There are a couple plugs tucked away behind the brake booster, but not sure if 1 is for the TC wires or something else.  I know the engine has been replaced, guess maybe the tranny was swapped too.

Will this Lockup setup work with a 700R4?