C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Cruise control vacuum routing...

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Old Jun 14, 2016 | 09:21 AM
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Default Cruise control vacuum routing...

Does anyone have a diagram/schematic that shows the vacuum lines for cruise control on an '86? A lot of my vacuum lines have rotted away. Only recently getting around to fixing some of this stuff. Thanks for any help!
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Old Jun 14, 2016 | 10:56 AM
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Looks like it is time for a FSM two book set on ebay now for $60.
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Old Jun 14, 2016 | 02:41 PM
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Old Jun 15, 2016 | 07:55 AM
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From my 86 service manual

http://members.shaw.ca/dankai/Cruise%20Control%209C.pdf

http://members.shaw.ca/dankai/Cruise%20Control.pdf

http://members.shaw.ca/agent86/86-vacuum.gif
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Old Jun 19, 2016 | 04:29 AM
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Originally Posted by antfarmer2
Looks like it is time for a FSM two book set on ebay now for $60.
Thanks...but I actually do have it somewhere. I moved not too long ago, and not sure where it is at the moment. Will get to that box sometime I'm sure.
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Old Jun 19, 2016 | 04:30 AM
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Originally Posted by xrav22
Thanks very much! Have a few things to do on the car, that's going to keep me busy for a while. This helps out a lot!
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Old Jun 19, 2016 | 04:31 AM
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Thanks again, Agent86...You never let us down :-)
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Old Jun 24, 2016 | 02:18 AM
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Originally Posted by xrav22
Just an additional question for anyone that might know. In the photo kindly provided by "Xrav22"...right above where it says "front of vehicle" there is a black section between the pink colored lines. Is this a "check valve" etc. of some sort, or just a vacuum "tee"? Most mine is rotted away, so it's been hard to tell. Thank you!
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Old Jun 24, 2016 | 11:48 AM
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its just a 3 way splitter . Mine was more like an F shape but no valves.

Aldo not in pic from the large connector on the cruise module the large vacume hose goes thru firewall and to brake.

Last edited by xrav22; Jun 24, 2016 at 11:49 AM.
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Old Jun 24, 2016 | 10:26 PM
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Originally Posted by xrav22
its just a 3 way splitter . Mine was more like an F shape but no valves.

Aldo not in pic from the large connector on the cruise module the large vacume hose goes thru firewall and to brake.
Thanks...Yea, I think I have a whole bin of those type vacuum connectors. Thanks for your reply!
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Old Jun 24, 2016 | 10:41 PM
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For the hose going to the pedal just reach up and cut the hose. Then cut it long ways two inches and ele tape a wire deep in it and lube the hose pull it through and back. Then use a connector. Saves tearing the car apart breaking the switch and getting stuck while hitting your head.
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Old Jun 27, 2016 | 04:08 AM
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Originally Posted by antfarmer2
For the hose going to the pedal just reach up and cut the hose. Then cut it long ways two inches and ele tape a wire deep in it and lube the hose pull it through and back. Then use a connector. Saves tearing the car apart breaking the switch and getting stuck while hitting your head.
Thanks...that's a good tip!
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