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Old 10-21-2017, 04:19 PM   #6
rick3000
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Join Date: May 2007
Location: West Coast
Posts: 3,253
Garage
The switches are not very expensive, I would just replace it. No way I know of it to test it, unless it has an obvious failure like the plunger being loose. It's not uncommon for them to fail, when my cruise control stopped working it was the first thing I replaced, and it fixed the issue.
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