Swap meet

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SClassic

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Mar 27, 2013
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Location
Wayland, Iowa
First Name
Brian
Truck Year
81 and 85
Truck Model
C1500 and K2500
Engine Size
305 and 350
Okay just got home from the swap meet and excited for some of the stuff I scored today. Picked up a gauge cluster for 20 bucks, speedometer for 5, ac/heat controller for 5 and factory aluminum rims for 80 with pics to come of the stuff I got. Okay here is my question about my instrument cluster and I know I bought one from a newer square body it is all electronic no speedo cable. If some one could put up the link where I thought I saw how to make the newer speedo cluster work would much appreciate it. I would like to use this in my 85, I like the fact it is a 6 didget odometer and has a tripometer and plus I would like to switch parts around from the 81 and 85 and hope to make a couple good clusters.
http://www.gmsquarebody.com/forum/attachment.php?attachmentid=12066&stc=1&d=1365902748
Oh I also wanted to ask about the speedo I picked for 5 there is 3 wires coming out of the back of it a red green and a black it is a cable speedo to but what are the wires coming from the back of it for??
 

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bucket

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'77, '78, '79, '84, '88
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K5 thru K30
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350-454
The 3 wires coming out of the back of the speedo are a vehicle speed sensor, used for cruise control or Throttle Body Injection.
 

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