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Cruise Control - [message #163218]

Fri, 16 March 2012 20:15

bwevers

Messages: 597
Registered: October 2010
Location: San Jose

Karma: 5

Senior Member

I've never used the cruise control on my 1975 Glenbrook.
And I can't find the controls. Where should they be located? (on/off set/accel)

Maybe they're missing...

Thanks,
Bill

Bill Wevers GMC49ers, GMC Western States 1975 Glenbrook - Manny Powerdrive, OneTon 455 F Block, G heads San Jose

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Re: [GMCnet] Cruise Control - [message #163221 is a reply to message #163218]

Fri, 16 March 2012 20:45

Ken Henderson

Messages: 8726
Registered: March 2004
Location: Americus, GA

Karma: 9

Senior Member

Bill,

The push button in the end of the turn signal switch is the only
control for the OEM cruise control.

When you push it all the way in, you're in the "Coast" mode. If you
let it out slowly, it will pass through the "Engage" mode, and the
green telltale light should illuminate, along with the CC taking the
throttle. To disengage, tap the brake pedal. There is normally no
"Resume" feature, but somewhere Bob deK. has published instructions
for implementing that feature.

Don't be surprised if it doesn't work. Or if it likes to go faster &
faster. (Or maybe slower & slower.) They can generally be repaired
(the X7525 manual covers them well), but MANY of us have gone to
aftermarket CC's or converted to later GM ElectroMotor CC's.
Instructions are published -- check the photo site for an excellent
album by John Sharpe.

Ken H.

On Fri, Mar 16, 2012 at 9:15 PM, Bill Wevers <gmc1975@att.net> wrote:
>
>
> I've never used the cruise control on my 1975 Glenbrook.
> And I can't find the controls. Where should they be located? (on/off set/accel)
>
> Maybe they're missing...
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach

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Re: Cruise Control - [message #163231 is a reply to message #163218]

Fri, 16 March 2012 22:28

captjack

Messages: 271
Registered: February 2010
Location: Sebastopol, California

Karma: 1

Senior Member

I have a manual for the cruise control and I sent it to bdub, but can't find it on his site. I can send it to you separately if you send me an email.

Jim K sells rebuilt originals as well for something around $110 and the electronic upgrade for around $400. I put in a rebuilt unit and it works just fine. No resume though.

Jack Christensen - K6ROW, '76 Glenbrook/Clasco - "The Silver Bullet", Sebastopol, CA

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Re: [GMCnet] Cruise Control - [message #163251 is a reply to message #163218]

Sat, 17 March 2012 08:20

jhbridges

Messages: 8412
Registered: May 2011
Location: Braselton ga

Karma: -74

Senior Member

Button on the end of the turn signal stalk is the stock setup.
�
--johnny
'76 23' trandmode norris
'76 palm beach
�

________________________________
From: Bill Wevers <gmc1975@att.net>
To: gmclist@temp.gmcnet.org
Sent: Friday, March 16, 2012 9:15 PM
Subject: [GMCnet] Cruise Control -

I've never used the cruise control on my 1975 Glenbrook.
And I can't find the controls. Where should they be located? (on/off� set/accel)

Maybe they're missing...

Thanks,
Bill
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Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons. Braselton, Ga. I forgive them all, save those who hurt the dogs. They must answer to me in hell

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Re: [GMCnet] Cruise Control - [message #163253 is a reply to message #163221]

Sat, 17 March 2012 08:24

jhbridges

Messages: 8412
Registered: May 2011
Location: Braselton ga

Karma: -74

Senior Member

And JimK among others has rebuilt transducer/servo units�if your unit has problems.� My coach has a rebuilt put in by the PO at the COOP.� Dunno where they got it, but it works flawlessly.
�
--johnny
�
'76 23' trandmode norris
'76 palm beach

________________________________
From: Ken Henderson <hend4800@bellsouth.net>
To: gmclist@temp.gmcnet.org
Sent: Friday, March 16, 2012 9:45 PM
Subject: Re: [GMCnet] Cruise Control -

Bill,

The push button in the end of the turn signal switch is the only
control for the OEM cruise control.

When you push it all the way in, you're in the "Coast" mode.� If you
let it out slowly, it will pass through the "Engage" mode, and the
green telltale light should illuminate, along with the CC taking the
throttle.� To disengage, tap the brake pedal.� There is normally no
"Resume" feature, but somewhere Bob deK. has published instructions
for implementing that feature.

Don't be surprised if it doesn't work.� Or if it likes to go faster &
faster.� (Or maybe slower & slower.)� They can generally be repaired
(the X7525 manual covers them well), but MANY of us have gone to
aftermarket CC's or converted to later GM ElectroMotor CC's.
Instructions are published -- check the photo site for an excellent
album by John Sharpe.

Ken H.

On Fri, Mar 16, 2012 at 9:15 PM, Bill Wevers <gmc1975@att.net> wrote:
>
>
> I've never used the cruise control on my 1975 Glenbrook.
> And I can't find the controls. Where should they be located? (on/off �set/accel)
>
> Maybe they're missing...
>
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist

Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons. Braselton, Ga. I forgive them all, save those who hurt the dogs. They must answer to me in hell

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Re: [GMCnet] Cruise Control - [message #163259 is a reply to message #163251]

Sat, 17 March 2012 09:33

Matt Colie

Messages: 8547
Registered: March 2007
Location: S.E. Michigan

Karma: 7

Senior Member

The cruise was an ordered option and I am told it was not common on Tranmodes. Maybe you don't have one.

Some day . . .
I'm going to replace mine with a Dana Speedostat (what became Rostra) analog unit c.1973. I like it better than the GM, I just have to work out where to stick the drive shaft magnets and pick-up coil.

That will go well with my 1974 Delta Mark X Capacitive Discharge ignition (I can run 0.060 gap and not break anything) already installed.

Then, I need to find room behind the grill to include the 1973 vintage Hadley air horns, but I will not need the vacuum powered compressor this time.

Too bad I can't find the Thermosan kit I once had.

Matt

Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit

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Re: Cruise Control - [message #163265 is a reply to message #163218]

Sat, 17 March 2012 12:18

bwevers

Messages: 597
Registered: October 2010
Location: San Jose

Karma: 5

Senior Member

Thanks for all your feedback.
Now I can see the button on the end of the turn signal.
I'll give it a try.

Regards,
Bill

Bill Wevers GMC49ers, GMC Western States 1975 Glenbrook - Manny Powerdrive, OneTon 455 F Block, G heads San Jose

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