What will cause the relay for the turn singles to start to click while driving?

2004 FORD RANGER
197,000 MILES • 4.0L • 6 CYL • 4WD • AUTOMATIC
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CLAYTON A BIEWER
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I started hearing a clicking noise when I was driving. The other day I just opened the door and heard the same clicking. I traced it to the turn single relay switch. What would cause the relay switch to have intermittent power to cause it to click almost always?
Oct 19, 2020 at 10:01 AM
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JACOBANDNICKOLAS
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Hi,

The first thing I suggest checking is the ground for that circuit. It is located at the left front of the floorboard. See the attached pic. Check for continuity to ground at the black wire at the relay and move it around to see if you lose connection or if resistance changes.

Let me know what you find.
Joe
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Oct 19, 2020 at 2:34 PM