I have a servo from a 78 300D, unknown condition. Yours for postage if I can find it.
Walt On Mar 16, 2011 9:20 PM, "Dieselhead" <126die...@gmail.com> wrote: > What car are you referring to? The subject says ACCII, but this > description of parking the servo sounds like the dreaded Crypsler ACC > (I) I was lost from the start of your thread since there was no > vehicle associated with the post. > > > >>Alright, an update... I drove the car home today for a bit more diagnosis. >> >>What I have determined is that the servo is shorted between pin 3 and 5. >> Where 12V is placed between these pins, the servo should park... instead, I >>get some sparks. It seems that this short is pulling some serious current >>through the amplifier, and perhaps bringing the rest of the system down. >> When connected, I get 8 volts or less on Pin 3 with the servo connected, >>12v disconnected. I blew the fuse in my ammeter checking pins 3-5 and don't >>have a replacement. >> >>The servo does move with 12V between pins 4 and 5, but its unclear how much >>current its drawing, and how much it should draw. Its possible that the >>draw here is also too much for the amp to handle. >> >>I took the servo apart and noticed a little crack in the arm that moves the >>electrical contacts. I'm not sure if this was there the first time I took >>it apart or not, but might be the cause of the short. Its a pretty simple >>set of connections, so I can't see any other possibilities. >> >>So, I think I need a new servo. Now... who to go with for a replacement.... >>eBay used, aluminum body, dealer new? I'm interested in as original >>appearance as possible, as this is a rare car with very low mileage. >> Hopefully my new amp isn't fried. >> >>Thanks to everyone who passed along documentation and tips... very helpful. >> >>Jaime >> >> >>On Thu, Mar 10, 2011 at 7:48 AM, Jaime Kopchinski <jaime...@gmail.com >wrote: >> >>> Hi Jim, >>> Thanks very useful stuff! Thanks! >>> >>> I have the vacuum and electrical schematic from the factory manual which is >>> quite useful as well. >>> >>> Jaime >>> >>> >>> >>> On Thu, Mar 10, 2011 at 1:05 AM, Jim Cathey <j...@windwireless.net> wrote: >>> >>>> So I have some issue with the electrical part of the servo >>>>> (like the feedback potentiometer), or I've got a bunch of bad amps. >>>>> >>>> >>>> Sounds logical, yes. You need to look at the schematic >>>> to see what is likely. >>>> >>>> >>>> Are any schematics of the system and its sub-components (amps) available? >>>>> >>>> >>>> I have Scott Ritchey's and George Murphy's work stashed on my server: >>>> >>>> http://userweb.windwireless.net/~jimc/chryaccfh/chryaccfh.html >>>> >>>> -- Jim >>>> >>>> >>>> >>>> >>>> _______________________________________ >>>> http://www.okiebenz.com >>>> For new and used parts go to www.okiebenz.com >>>> To search list archives http://www.okiebenz.com/archive/ >>>> >>>> To Unsubscribe or change delivery options go to: >>>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >>>> >>> >>> >>_______________________________________ >>http://www.okiebenz.com >>For new and used parts go to www.okiebenz.com >>To search list archives http://www.okiebenz.com/archive/ >> >>To Unsubscribe or change delivery options go to: >>http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > > _______________________________________ > http://www.okiebenz.com > For new and used parts go to www.okiebenz.com > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
