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Old 01-11-2003, 02:53 PM
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Join Date: Oct 2002
Location: Toronto, Canada
Posts: 700
more on OVP

my car starts fine without the ovp I just tested a few hours ago cause I decided to take it out and do some testing and soldering of the joints. There is not much there that can break really, just a switch and the fuse, the switch seems in perfect condition, but resoldering the joints helped me with a LOT of things, Fuel pump relay, cruise control for example.

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Old 12-18-2003, 08:20 PM
Registered User
Join Date: May 2002
Location: USA
Posts: 1,055
Mr. Dalton is dead on with his screwdriver technique

About a month or so ago my wifes calls and says the E320 won't start..I try jumping it because the battery "sounds" weak...nothing works, so I slam the hood in frustration and say to myself what the heck give one my try with the key and then call AAA for a tow. Well lo and behold it fires right up. I couldn't figure out why until this evening. She calls again tonight with the same problem. It cranks but the battery sounds weak and it won't fire up. Again I try jumping it...nothing works. I even try the "hood slam" technique but to no avail

I go home and grab some tools to remove the OVP and check my resolder of a cracked joint from a year ago but I decided to try a quick search on OVP for any new advice and saw this thread. So I go back to where the benz is and try the "tap with a screwdriver" technique and she fired right up and we were able to drive it home with no symptoms.

I'll stop by Overby's in the morning for a new OVP

Thanks Mr. Dalton. You've helped again.

Originally posted by Arthur Dalton
They usually will start right up if you just tap the OVP with a screwdriver handle...
Give it a try. Behind battery panel-remove plastic cover - tall aluminum can w/fuse on top...
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