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#1 | |
Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,945
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__________________
1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 ![]() Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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#2 |
Senior Member
![]() Join Date: Aug 2004
Location: Centennial, CO
Posts: 2,995
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Re: LS factory cruise control hook up
Any chance you have any more switches?
__________________
ClusterTruck: 68 C10 Bought in 89, wrecked in 03. Slow low $ rebuild started '17. 6.0 & TKO http://67-72chevytrucks.com/vboard/s...d.php?t=788602 93 K1500 Short Step, 350, NV4500, EBL flash ECU. Vortec heads & roller cam someday... 05 Jeep Wrangler Unlimited. 3” lift & 6-speed 02 E320 the insurance total “free car” 13 Tahoe LTZ |
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#3 |
chevy truck fan
Join Date: Mar 2005
Location: Gilbert, arizona 85298
Posts: 2,041
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Re: LS factory cruise control hook up
I am currently in the middle of a 2013 LS truck swap into a '86 C10. I am trying to connect the TCC wires between the 2 trucks. I have the 2 (lt blue/wht stripe) wires ID... both come from the same pin at the '13 ECM. I have ID the lt. blue wire & brown/wht stripe wire from the '86 switch (in cab). The '86 lt blue wire comes thru the firewall with a green wire both end at a connector, the green wire then runs single to a connector (byself). looking for help with how/what to connect at what point(s)? any assistance would be greatly appreciated .... thank you again!
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#4 | |
Registered User
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,119
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Re: LS factory cruise control hook up
Quote:
__________________
My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html |
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#5 |
chevy truck fan
Join Date: Mar 2005
Location: Gilbert, arizona 85298
Posts: 2,041
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Re: LS factory cruise control hook up
ls1nova71, THANK YOU!!
![]() ![]() ![]() I appreciate your patience ![]() ![]() ![]() ![]() |
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#6 |
Registered User
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,119
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Re: LS factory cruise control hook up
Thanks for the compliments, sounds like you are on the right track. As for the second wire coming from the ECM, without looking at a schematic its hard to know for sure what it went to, but it was something on 2013 truck, something your swap doesn't have, so you can just cut the remaining wire out or tape it up good so it doesn't short out against anything.
__________________
My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html |
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#7 |
chevy truck fan
Join Date: Mar 2005
Location: Gilbert, arizona 85298
Posts: 2,041
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Re: LS factory cruise control hook up
LS1nova71, THANK YOU!!
![]() ![]() I really appreciate your time in answering questions!! the board is still good to have for me being an 'ol skool guy W/O FB or IG ... ![]() |
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#8 |
Registered User
Join Date: Oct 2013
Location: Thayer, KS
Posts: 14
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Re: LS factory cruise control hook up
Grabbed this 4 wire switch off a mid 80's Dodge Ram.
Googled and found a wiring diagram. Am I reading the diagram correctly, that this is an "Open Switch" ? |
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#9 |
Registered User
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,119
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Re: LS factory cruise control hook up
I can't tell from that schematic? Would be best to test it with a multimeter to be sure.
__________________
My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html |
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#10 |
Registered User
Join Date: Oct 2013
Location: Thayer, KS
Posts: 14
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Re: LS factory cruise control hook up
Not exactly sure how to test my switch?
Did PIN out testing last night. I assume B should not have voltage until SET is pushed? and then it should just momentary voltage? Last edited by CHIEFWAHO; 05-18-2021 at 10:31 AM. |
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#11 |
Registered User
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,119
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Re: LS factory cruise control hook up
Get a test light, and a battery and hook the positive side of the battery to the black wire on the switch. Then with the test light, hook one end to the ground of the battery. After that, you can check the other three wires. Start at the yellow wire, you should have 12v when the on/off switch is set to ON. Then check the white wire and press the SET button, you should have 12v only when the button is pressed. Lastly, check the dark blue wire, press the RESUME, you should have 12v only when it's pressed also. That's what it looks like from the schematic anyway, so that's what I would do.
__________________
My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html |
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#12 | |
Registered User
Join Date: Nov 2014
Location: Austin
Posts: 749
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Re: LS factory cruise control hook up
Quote:
Last edited by Davidf; 05-21-2021 at 11:12 AM. |
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#13 |
Registered User
Join Date: Oct 2013
Location: Thayer, KS
Posts: 14
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Re: LS factory cruise control hook up
Thanks for the help all! I finally have full functioning cruise control.
My wiring I did was spot on. Culprit's were bad switches I had sourced from used vehicles. I ended up ordering a new cruise stalk thru Amazon. I'm not real fond of the look but maybe I'll find a more retro stalk and swap out the inner switch sometime down the road. I cut the 1 screw flat piece off my original turn signal lever and welded it to the new stalk. |
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#14 |
Registered User
Join Date: Nov 2014
Location: Austin
Posts: 749
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Re: LS factory cruise control hook up
Happy you got it working even if it is on a Jeep. Here is a good option for a new cruise control/turn signal lever:
https://www.amazon.com/Rostra-GM-Sty.../dp/B008LUTF0C |
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#15 | |
Registered User
Join Date: Oct 2013
Location: Thayer, KS
Posts: 14
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Re: LS factory cruise control hook up
Quote:
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#16 | |
Registered User
Join Date: Nov 2014
Location: Austin
Posts: 749
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Re: LS factory cruise control hook up
Quote:
https://www.ebay.com/itm/163591278949 The adapter converts the closed circuit to open circuit (does all the relay work for you). I think it will be money well spent on my project as it task one task of many away from me. EDIT: The Ebay seller cancelled my purchase due to out of stock...even though the listing says there were 6 of 10 available. Going to make my own from NC and NO relays. Last edited by Davidf; 06-22-2021 at 10:35 AM. |
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#17 |
I'm just glad to be here!
Join Date: Jan 2008
Location: Longview, TX
Posts: 4,788
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Re: LS factory cruise control hook up
Ok, I was going to finish up get my cruise hooked up yesterday and I had a brain blockage...
For the wire that goes from C2 Pin 50 (VSS Out) of the PCM to the K terminal of the cruise module connector, can that be spliced so that it also feeds my electronic speedo? Also, the Purple TCC Brake Switch wire from C1 Pin 33, can it be spiced so that it get is power from the brake switch at the same time as the wire to terminal D on the cruise module connector? I know it should work that way, I just needed to ask so that someone can confirm it. Thanks,
__________________
Karl ![]() 1965 Chevy Stepside(Grandpa's Old Blue) and (July 2015 Shop Build!)(2020, the Saga Continues) http://67-72chevytrucks.com/vboard/s...d.php?t=372424 The LST Challenge: http://67-72chevytrucks.com/vboard/s...=1#post7812257 Korbin's 1st Square: "Sunburn" http://67-72chevytrucks.com/vboard/s...d.php?t=418618 1985 GMC Sierra: "White Trash", Korbin's 2nd now... http://67-72chevytrucks.com/vboard/s...d.php?t=632305 Henry - 1984 Chevrolet, Owen's 1st Square |
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#18 |
I'm just glad to be here!
Join Date: Jan 2008
Location: Longview, TX
Posts: 4,788
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Re: LS factory cruise control hook up
Here is my marked up schematic...
__________________
Karl ![]() 1965 Chevy Stepside(Grandpa's Old Blue) and (July 2015 Shop Build!)(2020, the Saga Continues) http://67-72chevytrucks.com/vboard/s...d.php?t=372424 The LST Challenge: http://67-72chevytrucks.com/vboard/s...=1#post7812257 Korbin's 1st Square: "Sunburn" http://67-72chevytrucks.com/vboard/s...d.php?t=418618 1985 GMC Sierra: "White Trash", Korbin's 2nd now... http://67-72chevytrucks.com/vboard/s...d.php?t=632305 Henry - 1984 Chevrolet, Owen's 1st Square |
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#19 | |
Registered User
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,119
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Re: LS factory cruise control hook up
Quote:
__________________
My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html |
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#20 |
Senior Member
![]() Join Date: May 2011
Location: Greencastle PA
Posts: 6,833
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Re: LS factory cruise control hook up
subscribed
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#21 |
I'm just glad to be here!
Join Date: Jan 2008
Location: Longview, TX
Posts: 4,788
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Re: LS factory cruise control hook up
I have been working on hooking this up in my LS swapped '84 C10. I took the liberty and the time to clean up the wiring diagrams in this thread posted by ls1nova71 and XwalkerX. See attached. I will be updating them to include wiring for a "Cruise Engaged" light.
I also printed the Cruise Control Module Connector Pin Out. The charts wire color was different than the wires in my actual connector so I noted those in RED text. I added a column for the wire colors I used to extend the wires on my actual connector. I hope this helps someone on here. The original hand drawn diagrams where great, I just made them a bit neater and added some notes that helped me.
__________________
Karl ![]() 1965 Chevy Stepside(Grandpa's Old Blue) and (July 2015 Shop Build!)(2020, the Saga Continues) http://67-72chevytrucks.com/vboard/s...d.php?t=372424 The LST Challenge: http://67-72chevytrucks.com/vboard/s...=1#post7812257 Korbin's 1st Square: "Sunburn" http://67-72chevytrucks.com/vboard/s...d.php?t=418618 1985 GMC Sierra: "White Trash", Korbin's 2nd now... http://67-72chevytrucks.com/vboard/s...d.php?t=632305 Henry - 1984 Chevrolet, Owen's 1st Square Last edited by aggie91; 09-24-2021 at 09:38 AM. Reason: credit to ls1nova71 & XwalkerX |
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#22 |
I'm just glad to be here!
Join Date: Jan 2008
Location: Longview, TX
Posts: 4,788
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Re: LS factory cruise control hook up
Here are the updated diagrams with the Cruise Engaged indicator light wired the way ls1nova71 describes in post #163.
__________________
Karl ![]() 1965 Chevy Stepside(Grandpa's Old Blue) and (July 2015 Shop Build!)(2020, the Saga Continues) http://67-72chevytrucks.com/vboard/s...d.php?t=372424 The LST Challenge: http://67-72chevytrucks.com/vboard/s...=1#post7812257 Korbin's 1st Square: "Sunburn" http://67-72chevytrucks.com/vboard/s...d.php?t=418618 1985 GMC Sierra: "White Trash", Korbin's 2nd now... http://67-72chevytrucks.com/vboard/s...d.php?t=632305 Henry - 1984 Chevrolet, Owen's 1st Square |
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#23 |
Registered User
Join Date: Feb 2011
Location: North Carolina
Posts: 994
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#24 |
Registered User
Join Date: Nov 2014
Location: Austin
Posts: 749
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Re: LS factory cruise control hook up
FWIW, I used the Rostra switch with circuit reversing relays and my cruise did not work. So, I started tracing circuits to see where I went wrong. In the end, it turned out to be a mis adjusted brake light switch that caused the normally closed portion (that the cruise power circuit connects to) to be normally open. Readjust the switch and bingo. Love it!
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#25 | |
Registered User
Join Date: Jun 2018
Location: Texas
Posts: 1,353
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Re: LS factory cruise control hook up
Quote:
I used ackattack directions for relay setup. I first used cheap male and female insulated connectors on every wire to begin with, a volt meter, and tested everything. Worked pretty good. Then I cut off all those connectors and finalized the wiring connections. Connectors allowed me to drive down the road and test after I got them right with volt meter. Twisting them together they could have touched. Whatever you prefer, but it's easy to test this way.
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TA_C10 Stage 1 build - http://67-72chevytrucks.com/vboard/s....php?p=8333444 "It's only money". ![]() |
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