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Old 06-19-2006, 18:36   #1 (permalink)
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horn ground problem 71 Ranger

Anyone know how / where the steering shafts (not the column) for these trucks are supposed to be grounded for the horn to work?

I'm pretty sure that the poor ground of the steering shaft is the problem, because I've checked everything else up to that point w/ vohm meter. Even the spring button behind the steering wheel is in good shape.

The horn ring (pad) has a ground wire that clips into a hole in the steering wheel just to one side of the steering wheel shaft nut. The problem is that the shaft isn't (consistently) grounded. The only time it grounds properly is when the steering wheel is turned so that the steering shaft flex coupling pins make contact with the plate that they extend through.

This can't be how the shaft was designed to be grounded, because the only time those pins make contact is when the steering wheel is turned and the flex coupling torques, allowing the metal pins to move a bit.

Thanks!
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Old 06-22-2006, 03:25   #2 (permalink)
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Re: horn ground problem 71 Ranger

Not familiar withe ranger setup but many cars simply have a wire attached to the column with a screw and eyelet terminal under the dash which earths it to the firewall or another chassis ground. Look for a loose wire and a screw hole on the column.
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