Author Topic: Did all 6.9 have AC and Cruise Control ??  (Read 138 times)

ALV148

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Did all 6.9 have AC and Cruise Control ??
« on: 14 August 2020, 05:31 PM »
Did all 6.9 have AC and Cruise Control ??

AC has been removed ?

also

I have no CC stork but have holes where the actuator looks to have been removed??
1965 300SE Long for fintail on air
1969 280SE 3.5 coupe 1632
1969 300SEL 6.3 1924
1980 450SEL 6.9 7171
2011 SLS 6.3 AMG
2019 G63 4.0 AMG

Randys01

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Re: Did all 6.9 have AC and Cruise Control ??
« Reply #1 on: 18 August 2020, 02:02 AM »
As a Reg Prod Order, all 6.9's had air...basically GM Frigidaire comp but certain destination markets had auto temp control variant[ Chrysler?] .US market in partic.

The good ole Cruise control.
I reckon they had it from the beginning. Again another borrowed technology.  this time from FoMoCo. 
I am currently repairing my RHD 6.9 cruise control equipped column combo switch. This is a rare item. most replacements /..aftermarket appear to be LHD orientation and from what I can see, have no provision for the delicate mtg of the CC switch body. :-\

UTn_boy

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Re: Did all 6.9 have AC and Cruise Control ??
« Reply #2 on: 18 August 2020, 12:26 PM »
Randy, the Ford Motor Company cruise control was done away with in early 1975, at which point Mercedes adopted the VDO system where the control switch is on the steering column instead of a rocker switch on the console.  In light of the aforementioned, there shouldn't be any 6.9 cars with the early Ford system. 
1966 250se coupe`, black/dark green leather
1970 600 midnight blue/parchment leather
1971 300sel 6.3, papyrus white/dark red leather
1971 280sel Black/black leather
1973 300sel 4.5, silver blue metallic/blue leather
1976 280s astral silver/blue MB Tex

Randys01

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Re: Did all 6.9 have AC and Cruise Control ??
« Reply #3 on: 19 August 2020, 06:11 PM »
Ah yes VDO..of course..tks for clearing that up.

On the matter of the column stalk combo switch.
Can any one please confirm the operation of the headlight flasher? That is....will it operate without ignition and headlight switch on?
Or will it only operate with  ignition?
Or only operate with lights on and ignition?
I have having a terrible time trying to figure mine out. I have tried every combo  and tracked the circuitry up hill down dale......it does everything ..but work?
After 10 manhours the only thing that would make sense is that there is a relay in the flasher circuit only and it is defunct. But having waded thru the crummy circuit diagram and exploring the car, I cannot see that  a relay is used.

Thus.  Does anybody know for a fact that no relays are used in the lighting circuit inc the flasher function. ?  ???