Question about 1998 Ford Escort

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Main Cooling fan fuse keeps blowing.

I have a 1998 Escort Finesse (UK model) Recently I had a small leak in the top rad hose which sprayed water onto the cooling fan assembly. Since then the fan main fuse (50Amp) from the battery keeps blowing. I have changed the fan unit today with no difference. Tried the car after changing the fan and the A/C worked fine and the fan was running for a short time but blew the fuse again. I figure it is a short circuit somewhere but I don't know where to look. If it makes any difference the temp gauge only works part of the time when the engine is running very hot.
Any help much appreciated.

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  • helie Jul 01, 2008

    hi . my fuse has blown twice and my temp gauge is unreliable to .sometimes not working at all

  • fuddler Jul 01, 2008

    Thanks for your help! Have changed out the cooling fan and have checked the workshop manual. This is the only thing running from this circuit as far as I can see. Checking the old one it runs fine - typical! changed some of the wiring leading to it with no effect so next job is to check the rest of the wiring as you suggest. In tracing the wires I discovered two halves of a connector that weren't attached. If I connect them the temp gauge stays on overheated! Previous owners fix was to disconnect it.....

    Still works sometimes even so - still confused!

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  • 247 Answers

Taking some of these things apart......

The temp gauge not registering a hot engine is a real bane on Zetec engines - check your coolant level before you do anything else. It may be that the system was airlocked when you filled it and that you got less coolant in than you thought you did.

It takes quite a short to blow a 50A fuse. First, make sure that the fan you've been looking at is actually the one protected by the fuse. Find out if there's anything else it protects. Check that all the fans/motors downstream of that fuse are free to turn (stalled fan motors are particularly good at blowing big fuses), and check all the cabling in between paying particular attention to places where wires pass close close the edges of parts that might chafe against them.

A.

Posted on Jun 29, 2008

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