On 6/18/2014 1:11 PM, 'John Grady' jkg@xxxxxxxxxxxxxxxxx [Chrysler300] wrote: > Tom, snip > Back to PW, You could measure amp draw of motor with 0-20 or 0-30 > ammeter, ought to be same up and down with spring right, compare what > you see to others ; beyond battery , you might have a problem in > motor, stuck brush in brush holder,---ammeter will flicker and > waver(and brush is burning) ; assume all rollers free and working. > On early ones (Some F for sure) there is a circuit breaker inside the > motor at brush. It can get rusty and poor contact, erratic behavior ; > I have shorted them out,(solder wire across it) there to protect > motor from burnout if kid holds switch after window is up,-- I have > taken to drilling drain hole .060 at obvious low place, heater motors > too, get condensation out. > Best, John G Some years ago I bought 2 57 300-C doors, complete, better yet they were both power window doors. Cleaned them up, were in storage since early 60's, tried to test with a little 12V battery I used to carry to junkyards for quicky testing. That 12V battery was NOT enough to try and test a single power window of that vintage. Service manual said the electric motor ran between 13 and 15 amps just to operate. I think Chrysler used the same motors for many years. -- Paul Holmgren GROWING OLDER IS MANDATORY. GROWING UP IS OPTIONAL. LAUGHING AT YOURSELF IS THERAPEUTIC, and YOU MAY AS WELL, EVERYONE ELSE IS! ------------------------------------ Posted by: paul <paulholm@xxxxxxxxxxxxx> ------------------------------------ To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx To unsubscribe from this group, send an email to bob@xxxxxxxxxxxxx or go to http://autos.groups.yahoo.com/group/Chrysler300/join and select the "Leave Group" button For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm For archives go to http://www.forwardlook.net/300-archive/search.htm#querylang ------------------------------------ Yahoo Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Chrysler300/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/Chrysler300/join (Yahoo! ID required) <*> To change settings via email: Chrysler300-digest@xxxxxxxxxxxxxxx Chrysler300-fullfeatured@xxxxxxxxxxxxxxx <*> To unsubscribe from this group, send an email to: Chrysler300-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo Groups is subject to: https://info.yahoo.com/legal/us/yahoo/utos/terms/