Question about 1998 Mercury Mountaineer
You may have a bad connection on the Plug-in connectors at the Turn signal switch. What you will need to do is remove the plastic steering column cover and expose the Turn signal switch. The switch itself is called a MFS which means multifunctionswitch. Everything for the turn signals and wipers goes through this unit. On some models you have to remove the Ignition tumbler or even drop the steering column.
You may need to tighten the MFS to the column. There are several small female Torx bolts holding it tight. OR the connectors are loose on the wiring loom at the switch OR there is a broken wire which separates when the column moves. Be careful when uncoupling the connectors because you do not want to break the mounting tangs.
When you lose the turn signals, try engaging the Hazard button and see what works. Most likey nothing will, but in the Hazard mode you will be able to perform a wiggle test and once you find the bad connection in this mode everything should work when you get out of Hazard.
Posted on Nov 13, 2010
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Posted on Jan 02, 2017
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