OVP relay
OVP Relay
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MB 300E 1989
OVP Relay
I just bought a new OVP relay for my 1989 300E, it has two red fuses on top, and the original have only one. Can I install the new relay, or they send me the wrong one? Thanks.
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From: Houston, Texas
Dora the Explorer
This looks like a job for Captain OVP!!!!!!!
However, he's already gone home for the day. He'll be back tomorrow bright and early and will see your OVP question like the bat signal and he will speed to your OVP rescue!
Or someone else may know...
However, he's already gone home for the day. He'll be back tomorrow bright and early and will see your OVP question like the bat signal and he will speed to your OVP rescue!
Or someone else may know...
MBWorld Fanatic!
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From: Boston
is a German Tank
but to answer your original question yes, you may install it.
Try replacing the fuse first...that way if all it takes is a new fuse, you can get your money back for the relay(s).
Avoid jump-starting if possible, try trouble shooting and problem solving first. Otherwise you'll keep frying your relay.
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Junior Member
Joined: Jan 2007
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From: San Diego
German Taxi (1987 300E)
May I ask why you bought a new one to begin with?
but to answer your original question yes, you may install it.
Try replacing the fuse first...that way if all it takes is a new fuse, you can get your money back for the relay(s).
Avoid jump-starting if possible, try trouble shooting and problem solving first. Otherwise you'll keep frying your relay.
but to answer your original question yes, you may install it.
Try replacing the fuse first...that way if all it takes is a new fuse, you can get your money back for the relay(s).
Avoid jump-starting if possible, try trouble shooting and problem solving first. Otherwise you'll keep frying your relay.
Yep. I agree with Henri (learned the hard way). Don't jump the darned thing or else the relay will be fried...
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From: Boston
is a German Tank
Newbie
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1989 Mercedes Benz 300e
Hi i'm new on this forum. I just recieved my OVP relay today and tried it on right away. The one that came through the mail has 2 fuses on top. The OEM i had only has 1 fuse with less studs that fits at the base of the unit.I started the car (same idle, stalling) and when i tried to shut it off, the key went all the way out but the engine keeps runnning (no key on idle). Which btw, happens when i put a new fuse on the oem relay which has a broken fuse. I have no idea what happened! Any comments/suggestions/thoughts will be greatly appreciated.
MBWorld Fanatic!
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From: REHOBOTH BEACH DE
88-300CE TWIN TURBO, 99-C43, 05-G55K, 71-280SL, 94-E320 CAB, 08 CLK63 BLACK SERIES
Hi i'm new on this forum. I just recieved my OVP relay today and tried it on right away. The one that came through the mail has 2 fuses on top. The OEM i had only has 1 fuse with less studs that fits at the base of the unit.I started the car (same idle, stalling) and when i tried to shut it off, the key went all the way out but the engine keeps runnning (no key on idle). Which btw, happens when i put a new fuse on the oem relay which has a broken fuse. I have no idea what happened! Any comments/suggestions/thoughts will be greatly appreciated.
The ignition switch provides power to start and keep the engine running.
OVP may cause the engine not to start but would not cause the engine to continue to run with the ignition off.
Newbie
Joined: Feb 2014
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1989 Mercedes Benz 300e
Hmmm that makes sense! I just don't quite figure out why my car runs, starts and shuts off better with the oem OVP relay (with a broken fuse) compared to when I install the new OVP relay with working fuses on it! It kinda seems like my car doesn't want the old OVP relay to go away. Bottom line, my ignition switch works perfect with the old OVP relay it has.
Newbie
Joined: Feb 2014
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1989 Mercedes Benz 300e
Oohhh! That means if you have the 7 pin relay, you must get the same one right? Would a fine working fuse on the relay mess the ignition switch that causes it to not shut off even when you take your key out? With a really wierd cracking noise. Compared to the old OVP relay that has broken fuse that seems to be working better starting and shutting it off.
