I like that idea. Start your T/S at the starter end. After verifying that the starter motor will engage, try to power the solenoid. ------------- Max Charleston SC
On Wed, Apr 29, 2020 at 3:42 PM Curt Raymond via Mercedes < mercedes@okiebenz.com> wrote: > Big screwdriver across the starter to prove that it works? It'd be > annoying to troubleshoot all around it only to find that the starter is > bad... > -Curt > > On Wednesday, April 29, 2020, 3:31:43 PM EDT, Floyd Thursby via > Mercedes <mercedes@okiebenz.com> wrote: > > I have been fooling around with this ML500 that I don't have a title for > as it has a lean. > > Recall that when I first got it it was showing a Start Error and there > were various codes for this and that, which I cleared but it would still > show a Start Error but no new codes showed up so that did not indicate > much of anything. Thinking it might be the DAS ring I picked up another > one off an ML at LKQ last Saturday and swapped that in to see what might > happen. It was a different part number but same unit it looked, plugged > in fine. No joy, still a Start Error. So I put the old one back in and > gave it a go, no Start Error now (YAY!!!) now but still no cranking > either. Everything else lights up and whirs and clicks and makes the > right noises except the starter. > > I've scanned it several times and no codes at all, everything looks good > in the various nannies so that is good. So at least the Start Error is > gone. There is a red light on the dash that blinks once or twice that > supposedly indicates the alarm has not disabled the car, and I could get > it to blink and stay solid using the fancy computer to trigger it then > go back to "normal" so that suggests it is not disabled. I saw no other > switches and events that would indicate that. > > There were some suggestions I saw that indicated a coupla relays might > not be working so I checked those, swapped in other ones, I could hear > them clicking, power at various pins on the relay sockets were good and > the nannies said they checked out. Since I am seeing voltages at the > relays I have to conclude the ignition switch is OK as it lights up the > dash and the relays and such. I've also put good batteries in, voltages > are good, but nothing is cranking. > > Turns out there is a 100A ceramic fuse on the positive battery terminal > that looks like the starter connects too, the fuse was good near as I > could tell, looked clean and fairly new. But maybe not, I was thinking > to clamp the cable directly to the terminal to see if that worked but > didn't yet. > > So now I am thinking there must be a bad starter relay somewhere, if > there is one, that I am not seeing. Maybe on the starter? Only thing I > have seen is the small relay in the fuse box under the hood, which > appears to be working. Or the starter solenoid itself or the starter > has gone bad? I have not been under the car yet to see if there is > voltage going to the starter or to try to put power directly to it. I > don't even know where it is! I guess I will have to look at that aspect > and see what else I can determine. > > Any other ideas or suggestions? > > -- > --FT > > > _______________________________________ > http://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 > > 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 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
