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#1
08-09-2011, 12:07 PM
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Lead to connector on bottom of Type II ACC servo unit
There is supposed to be a wire that plugs into a single protruding prong on the bottom of the Type II ACC servo.
According to the Type II ACC manual, it's the "cold engine lockout switch." I cannot find any trace of either the connector, or the wire itself, on my car. Can someone advise me where it leads back to? It seems to be completely AWOL on my 1980 TD.
__________________
 Mac 2002 e320 4matic estate│1985 300d│1980 300td Previous: 1979 & 1982 & 1983 300sd │ 1982 240d “Let's take a drive into the middle of nowhere with a packet of Marlboro lights and talk about our lives.” ― Joseph Heller, Catch-22 Last edited by Zacharias; 08-09-2011 at 01:06 PM. Reason: Added info, clarified 
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#2
08-09-2011, 01:48 PM
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There's a thermal switch on the bottom that opens a vacuum valve. On mine there are just 2 vacuum line connectors on the bottom of the servo. No wires
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My occupational hazard bein' my occupation's just not around... 1980 300SD 1980 300SD
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#3
08-09-2011, 02:00 PM
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Ok well that could be it.
I was saying "wire" because the unit at the bottom of the servo is labelled as a switch. Where do the vacuum leads go? What colour(s) are they? Is it just a regular rubber vacuum connector? Any chance of pic(s)? Thanks
__________________
Mac 2002 e320 4matic estate│1985 300d│1980 300td Previous: 1979 & 1982 & 1983 300sd │ 1982 240d “Let's take a drive into the middle of nowhere with a packet of Marlboro lights and talk about our lives.” ― Joseph Heller, Catch-22 Last edited by Zacharias; 08-09-2011 at 02:11 PM.
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#4
08-09-2011, 02:12 PM
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Answer
This should help you.
 Servo service manual http://www.peachparts.com/shopforum/showthread.php?p=2053754 .
__________________
ASE Master Mechanic asemastermechanic@juno.com Prototype R&D/testing: Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician. Noise Vibration and Harshness (NVH). Dynamometer. Heat exchanger durability. HV-A/C Climate Control. Vehicle build. Fleet Durability Technical Quality Auditor. Automotive Technical Writer 1985 300SD 1983 300D 1984 190D 2003 Volvo V70 2002 Honda Civic https://www.boldegoist.com/
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#5
08-09-2011, 02:20 PM
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I remember the first time I saw a servo.. was looking at a 1977 300D with a friend. I didn't know what it was, or what it did... but I knew I didn't like it. Something with that many wires and vacuum lines going to it is always up to no good
 -J
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1991 350SDL. 230,000 miles (new motor @ 150,000). Blown head gasket  Tesla Model 3. 205,000 miles. Been to 48 states! Past: A fleet of VW TDIs.... including a V10,a Dieselgate Passat, and 2 ECOdiesels. 2014 Cadillac ELR 2013 Fiat 500E.
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#6
08-09-2011, 02:20 PM
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Thanks, however....
It's help-ful, but it doesn't explain to what the switch is connected.
And because it's a vacuum switch, it isn't included in the wiring diagram. It appears the vacuum line(s) is/are completely missing, so I need to figure out where it/they lead back to.
__________________
Mac 2002 e320 4matic estate│1985 300d│1980 300td Previous: 1979 & 1982 & 1983 300sd │ 1982 240d “Let's take a drive into the middle of nowhere with a packet of Marlboro lights and talk about our lives.” ― Joseph Heller, Catch-22
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#7
08-09-2011, 02:34 PM
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Hmm
Quote:
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#8
08-09-2011, 02:37 PM
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There is a black tube and a yellow tube hooked to it. You can just hook the two together and bypass it. I guess I should say on mine...
Hunters chart shows yellow/white.
__________________
My occupational hazard bein' my occupation's just not around... 1980 300SD 1980 300SD
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#9
08-09-2011, 02:41 PM
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More data
http://www.peachparts.com/shopforum/showpost.php?p=1681287&postcount=5
http://userweb.windwireless.net/~jimc/chryaccfh/acc2servo.pdf http://www.peachparts.com/shopforum/showpost.php?p=1081207&postcount=3 http://unwiredtools.com/manuals/ACCII%20Manual%20Rev%20J7.pdf http://www.unwiredtools.com/rk_accii_300d.shtml Last edited by whunter; 08-09-2011 at 02:53 PM.
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#10
08-09-2011, 02:51 PM
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Thanks 1m
This stuff should get me there.
Greatly appreciated!
__________________
Mac 2002 e320 4matic estate│1985 300d│1980 300td Previous: 1979 & 1982 & 1983 300sd │ 1982 240d “Let's take a drive into the middle of nowhere with a packet of Marlboro lights and talk about our lives.” ― Joseph Heller, Catch-22
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Linear Mode
