Intermittent will not work on the wiper switch

Hi, so it sounds like the wiper switch is bad or going bad (also called multi-function switch.)
is there excessive play in switch? Also, is it part of turn signal switch assembly?

No intermittent wipers- wipers will not park after using washer ...

www.ford-trucks.com > ... > 1987 - 1996 F150 & Larger F-Series Trucks

Oct 22, 2006 - I have been having trouble with my intermittent wiper feature and the windshield washer feature and parking of the wipers. For the last two ... Wipers won't turn off......sometimes!
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Ford Truck Intermittent Wiper Failure

www.misterfixit.com/nowiper.htm

It was a dark and stormy night . . . . actually it was. I had been experiencing someproblems with the intermittent wipers on my '88 F 150 the past week and that ...

Ford Wiper Switch ' eBay

most likely a bad switch, the turn signal lever/stalk is the switch for all three functions, wiper, wash, turn signal.

Yes that is likely a switch problem. Before you buy any parts have a shop confirm my guess.

The wiper delay is in the steering column. It's a small box about 2 x 2 inches with a wiring harness attached. With the testing procedures I found below, you should be able to figure it out. I found wiper delays on eBay for around $10 to $20. Good luck.

WINDSHIELD WIPERS CHEROKEE, COMANCHE & WAGONEER 1. POWER INPUT Remove circuit breaker. Test battery side of circuit breaker. If battery voltage is not present, repair open to splice. Test across circuit breaker terminals. Tester reading should be zero (0) ohms. If not, replace circuit breaker. 2. GROUND Connector A unplugged. Test terminal G. Tester reading should be zero (0) ohms. If not, repair open to ground. 3. INTERMITTENT WIPERS Ignition switch in ACCY. Remove delay module and plug connectors together from the module. If wiper operate in LO and HI speed modes and mist (washer) is working, if wipers and mist operate, replace intermittent module. If not go to step 4. 4. WIPER/WASHER SWITCH Ignition in RUN, wiper switch position as indicated, back probe switch side of connector A for standard, connector B for intermittent: Test connector terminal E-wiper switch in LO and mist/intermittent. If battery voltage is not present, replace switch. test connector terminal C-wiper switch in HI. If battery voltage is not present, replace switch. Test connector terminal F-wiper switch to OFF. If battery voltage is present until wipers stop and then voltage drops to zero (0), system is working fine. If this does not occur, replace switch. 5. INTERMITTENT WIPERS Connector B unplug. Test across terminal A and D while rotating switch from minimum to maximum delay. If tester reading is not between 0-500 ohms, replace switch. Test across terminal A and G while rotating switch from minimum delay to maximum delay. If tester reading is between 0 and 500 ohms, replace wiper module. If not replace switch. 6. WIPER MOTOR Ignition in ACCY, wiper switch position as indicated, probe connector D. Test connector terminal 1. If resistance is no zero (0) ohms,repair open to ground. Test connector terminal 4-wiper switch in any position. If battery voltage is present, replace motor. if is not repair open from fuse panel. Test connector terminal 2-wiper switch in LO. If battery voltage is present, replace motor. If not , repair open from wiper switch. Test connector terminal 2-wiper switch in HI. If battery voltage is present, replace motor. If not , repair open from wiper switch. Test connector terminal 5-wiper switch OFF with voltmeter connected. If battery voltage is present until wipers stop and then voltage drops to zero, system is OK, replace motor. If not, repair open from wiper switch.






Found on the web. I hope this helps.
Rich Long

Hi:
If your truck has a wiper switch that you rotate counter clockwise to get the intermittent wipe mode, and turn clockwise to get to the low and high settings, then your truck has a interval wiper relay module. You could have a bad wiper switch assembly too, as the intermittent part of the switch is seperate from the low and high wiper switch. It is a inexpensive part, less than $20 for the switch, and the interval wiper relay part is somewhat expensive, 70-100 bucks or so. My truck didn't have intermittent wipers when I bought it, so I went to a junk yard and removed a switch and a module from a wrecked truck for $40, and it has worked fine ever since. Maybe you can find a good used part to swap into your truck for testing? Once you buy new electrical parts, you cant return them!

Mine was the Body Control Module (BCM). Switched it out (needs to be programmed) and everything was fine.

Sounds like your intermittent wiper circuit is defective. Normally the intermittent feature is engaged by one of the functions on the multi-function switch (usually on the steering column). The circuit of the intermittent wiper periodically activates a relay that closes across the "Wiper On" switch. Your intermittent wiper circuit is likely defective and holding its relay closed (or the relay is stuck closed), thereby keeping the wipers on. Note: The wiper motor has an internal switch that opens when the wipers are in the park position and that is designerd to stop the wipers in the park position. When you turn on the wipers (or the intermittent relay is closed), the motor's internal switch is shunted such that the wiper does not stop at the park point of the cycle.

i belive that your wiper switch has gone out on the intermittent side. this is a very common problem.
I hope this helps you
Thanks
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try replacing the wiper relay

or could be a faulty wiper intermittent part of the switch