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#1 |
Registered User
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,118
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Re: Gen 3 Drive By Wire cruise control HOW TO
The wires do go to the TAC. If you want to give me a shout I can walk you through the diagnostics. PM sent with number.
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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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#2 |
Registered User
Join Date: Nov 2011
Location: West Plains Missouri
Posts: 2,088
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Re: Gen 3 Drive By Wire cruise control HOW TO
Will Do,Thank's Eric
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#3 |
Registered User
Join Date: Nov 2011
Location: West Plains Missouri
Posts: 2,088
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Re: Gen 3 Drive By Wire cruise control HOW TO
As of this morning I do have all signals sending to the TAC module at this time I'm Having Brendan from Lt1 swap coming over this afternoon to hook up to the truck to do a scan and see if something else is not working properly.
Will update later Mark
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#4 |
Registered User
Join Date: Nov 2011
Location: West Plains Missouri
Posts: 2,088
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Re: Gen 3 Drive By Wire cruise control HOW TO
Ok Guy's I'm back with (hopefully my last) Update!
Brendan came out to the shop today and hooked up his GM scantool and all of the functions of the cruise,brakes etc are all working! We then hopped in the truck and went down the road and Boom I Have Cruise!! It is the weirdest thing I did not touch a single thing from Saturday At least it work's.. A Big Thank's to Eric (LsNova71) and everyone else who offered advice! Mark
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#5 | |
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Join Date: Aug 2016
Location: phoenix, az
Posts: 16
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Re: Gen 3 Drive By Wire cruise control HOW TO
Quote:
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#6 |
Registered User
Join Date: Nov 2011
Location: West Plains Missouri
Posts: 2,088
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Re: Gen 3 Drive By Wire cruise control HOW TO
SSHAMU Sorry man I didn't post the updated diagram!
When I get to the shop this morning I will take a shot of it and get it posted.basically the wires are all wired direct from the switch and with the new LED resistors installed it works great (NO Relays) Mark
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#7 |
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Join Date: Aug 2016
Location: phoenix, az
Posts: 16
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Re: Gen 3 Drive By Wire cruise control HOW TO
Thank you sir. I'm ready to wire mine up (including the LED taillights with HND-2 switch) and test it out this Saturday.
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'59 Apache Fleetside, 3100 w/235, all stock, 15 inch rims |
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#8 |
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Join Date: Aug 2011
Location: Gainesville, Texas
Posts: 127
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Re: Gen 3 Drive By Wire cruise control HOW TO
Did you ever post the diagram of what you wound up with?
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![]() 1972 GMC Jimmy 6.0/4L65 1972 Chevrolet long bed 1/2 ton |
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#9 |
Registered User
Join Date: Nov 2011
Location: West Plains Missouri
Posts: 2,088
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Re: Gen 3 Drive By Wire cruise control HOW TO
This is the wiring I ended up with. Hope this helps.
And the resistors were used for the tail lights (LED Only) With this setup You do NOT need any relays. Mark
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http://67-72chevytrucks.com/vboard/s...d.php?t=645774 Project Orangepeel 52 A.D. http://67-72chevytrucks.com/vboard/s...d.php?t=653337 John's LS 49 dodge http://67-72chevytrucks.com/vboard/s...d.php?t=655780 Blake's 67 GMC LS stepside http://67-72chevytrucks.com/vboard/s...d.php?t=690527 Reed 78 FJ40 Rebuild http://67-72chevytrucks.com/vboard/s...d.php?t=733259 Barger's 78 FJ40 |
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#10 |
Registered User
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,118
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Re: Gen 3 Drive By Wire cruise control HOW TO
Just to clear things up a bit, you are referring to not needing relays to run the LED tail lights. You are also running a dash mounted cruise switch, the only aftermarket switch that has the same style internal switches as a factory GM switch. At the start of this thread however, the relays used are for using an aftermarket column mounted cruise switch, which will need the relays. Hope this clears things up for anyone in the future that sees this thread.
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#11 | |
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![]() Join Date: Dec 2015
Location: Raleigh, NC
Posts: 115
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Re: Gen 3 Drive By Wire cruise control HOW TO
Quote:
Is there another GM lever that can be used instead? It appears that the ones that are compatible with the TCM have the issue of mounting in the column - slotted pin instead of a tab with a screw into the canceling cam. Or am I stuck with the one I bought and relays? Also, if all it's doing is changing out NO to NC, I'd think a light-duty relay might accomplish this. Not a lot of amperage is going to the TCM for signaling. Am I incorrect? Any constructive input is gratefully appreciated. I'll get back the the '67 when this truck is done and sold.
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#12 |
Registered User
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,118
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Re: Gen 3 Drive By Wire cruise control HOW TO
With aftermarket levers, you are stuck having to use the relays. Unless you use a dash mounted switch. But TS mounted levers are all backwards unless you use a factory one.
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#13 |
Registered User
Join Date: Apr 2008
Location: Md
Posts: 2,454
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Re: Gen 3 Drive By Wire cruise control HOW TO
I have a mid 80's gm cruise lever that had the wipers with it, not clear if I need the relays or not. It's 4 wires red yelow blue green, Green is 12 volt..from the diagram I have...is the green wire just connected to 12v or is it also need to be run thru the relays? I am using PSI harness, blue, gray, black, and a yellow to the brake switch 12v when brake applied...Thanks in advance.
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#14 |
Registered User
Join Date: Nov 2011
Location: West Plains Missouri
Posts: 2,088
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Re: Gen 3 Drive By Wire cruise control HOW TO
Yes thank's Eric for that forgot to mention it!!!
Mark
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#15 |
Registered User
Join Date: May 2009
Location: Sparks, NV
Posts: 913
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Re: Gen 3 Drive By Wire cruise control HOW TO
This thread answered all my questions finally.
The other day I hooked up the column mounted switch, Rostra part #250-3020 less than $50. Same as the one OP used. Works great, minus the Resume/Accel feature. The Set/Coast and Resume/accel are tied together in the switch itself? I'll go back and wire in the relays as outlined and hopefully that'll do the trick. Has anyone figured out how to connect a light to turn on when cruise is engaged? and for tow-haul mode for that matter. I don't have Dakota digital gauges yet, but I know they have that feature built in.
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#16 |
Registered User
Join Date: May 2009
Location: Sparks, NV
Posts: 913
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Re: Gen 3 Drive By Wire cruise control HOW TO
I followed the relay diagram exactly and the Resume/Accel feature still doesn't work..
anyone figure out how to make it work without adding a separate momentary switch?
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Greg 1974 GMC 1/2 Ton SWB Fleetside L33 5.3/4l65e .................__
............._____l __\__ ..............l_(O)_ l___(O)] |
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#17 |
Registered User
Join Date: Dec 2018
Location: Alberta
Posts: 71
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Re: Gen 3 Drive By Wire cruise control HOW TO
Have you tested the resume/accel switch to see if it works?
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#18 |
Registered User
Join Date: May 2009
Location: Sparks, NV
Posts: 913
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Re: Gen 3 Drive By Wire cruise control HOW TO
tested everything again and found a bad connection on the yellow wire. Seems to function correctly on the multi-meter now
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Greg 1974 GMC 1/2 Ton SWB Fleetside L33 5.3/4l65e .................__
............._____l __\__ ..............l_(O)_ l___(O)] |
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#19 |
Registered User
Join Date: Nov 2011
Location: West Plains Missouri
Posts: 2,088
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Re: Gen 3 Drive By Wire cruise control HOW TO
If your running LED lights just use these resistors in line. I had the same issue and this will fix the problem.
You can either run them in the back with your tail lights,or just under dash at the brake switch (you only need 1) https://www.amazon.com/Zento-Deals-Pieces-Load-Resistors/dp/B01N0ZKV1R/ref=asc_df_B01N0ZKV1R/?tag=hyprod-20&linkCode=df0&hvadid=312190333361&hvpos=1o3&hvnetw=g&hvrand=17934858619714200296&hvpone=&hvptwo=&h vqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9023792&hvtargid=aud-801381245258:pla-568827705785&psc=1
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#20 | |
Registered User
Join Date: May 2009
Location: Sparks, NV
Posts: 913
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Re: Gen 3 Drive By Wire cruise control HOW TO
Quote:
Those are exactly what I tried, and for the most part worked. except I still had the issue above, as well as my turn signal indicators would stay dimly lit to indicate there was low resistance on the circuit. I had tried the resistors on each bulb as well with no success.
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Greg 1974 GMC 1/2 Ton SWB Fleetside L33 5.3/4l65e .................__
............._____l __\__ ..............l_(O)_ l___(O)] |
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#21 |
Registered User
Join Date: Nov 2011
Location: West Plains Missouri
Posts: 2,088
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Re: Gen 3 Drive By Wire cruise control HOW TO
Sorry they look like this.
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#22 |
Senior Member
Join Date: Jun 2007
Location: Pine Ridge Florida
Posts: 4,121
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Re: Gen 3 Drive By Wire cruise control HOW TO
Tagging for later
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Click on my Not really a build thread, yet NOT SO RUST FREE RUST FREE BLAZER LS ENGINE SWAP INFORMATION THREAD BOLT RESTORATIONS 4l60 to an NP205 |
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#23 |
Senior Member
![]() Join Date: Dec 1999
Location: Southern California
Posts: 2,744
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Re: Gen 3 Drive By Wire cruise control HOW TO
I just purchased the Dakota Digital module and stalk, not the obd connection version. Hoping it is an easy solution with the PSI harness, 2013 LSA engine, trans, ecm and substituting a Corvette pedal.
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