1990 300 sel idles high after replacing OVP fuse

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1990 300 sel idles high after replacing OVP fuse

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02-27-2011, 11:45 PM

mak

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Join Date: Jul 2006

Location: Westfeld .

Posts: 687

Quote:

Originally Posted by JohnM.

The OVP is meant to literally fall on the grenade so to speak when electrical shorts/surges occur. So if the OVP fuse was blown, there is a good chance the OVP is bad too! Replace the entire relay.

Very correct , inside the OVP you will find that the zener diode joint has melted solder ,sometimes repairable .
regards

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