Windshield Wiper
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Windshield Wiper
The windshield wipers on our '94 Limted Explorer will only work on high speed. I found one other thread on this subject from 1999 with the suggestion to change the Multi-Function switch. Unfortunately there was no feedback from the originator to advise on results so I am looking for any suggestions on this subject before spending $80 for a switch.
If the switch is the most likely culprit, is replacement of the unit at back-yard-mechanic level? If so, would someone "step by step" the process for me?
Thanks. Mike
If the switch is the most likely culprit, is replacement of the unit at back-yard-mechanic level? If so, would someone "step by step" the process for me?
Thanks. Mike
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Joined: Mar 2003
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From: Phoenix, AZ
Windshield Wiper
I am having same problem. Check back in the archives a few months. There is a guy with the same problem. He replaced the combo switch and it didn't fix the problem.
The park, low, pump and intermittent circuits all go through the govenor. The high circuit bypasses the govenor pt# SW-2338 (17C476)
I'm starting with the $27 govenor. I'll let you know.
The park, low, pump and intermittent circuits all go through the govenor. The high circuit bypasses the govenor pt# SW-2338 (17C476)
I'm starting with the $27 govenor. I'll let you know.
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Windshield Wiper
So I'm not alone on this. I appreciate your interest and look forward to hearing whether or not the governor was the problem.
FYI- I posted this snag on another Ford site as well, with the idea that casting a bigger net will improve the chances of getting a reply. Will keep you posted.
Mike
FYI- I posted this snag on another Ford site as well, with the idea that casting a bigger net will improve the chances of getting a reply. Will keep you posted.
Mike
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Joined: Mar 2003
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From: Phoenix, AZ
Windshield Wiper
This is a tarbaby! My 1993 Sport is half metric half SAE. Why don't they have the engineers perform a repair before they roll off the line. What's the deal with Ford?
I tested the wiper motor park circuit by 1st connecting the red lead (from the motor) directly to the positive then 2nd jumping either the white or blue wire to the black. The motor did not park. Uninstalling the motor is a real treat. Make sure you have a 8 year old handy because an adult's arms and hands will have trouble working through that small service door trying to remove the bizarre Jesus clip. This is where you'll want to slap a Ford engineer up the side of the head.
This weekend I'll try to install a new motor to see if that solves the problem.
I am not sure the problem with the park is related to the intermittent and low circut problem I am having.
Tune in later.
I tested the wiper motor park circuit by 1st connecting the red lead (from the motor) directly to the positive then 2nd jumping either the white or blue wire to the black. The motor did not park. Uninstalling the motor is a real treat. Make sure you have a 8 year old handy because an adult's arms and hands will have trouble working through that small service door trying to remove the bizarre Jesus clip. This is where you'll want to slap a Ford engineer up the side of the head.
This weekend I'll try to install a new motor to see if that solves the problem.
I am not sure the problem with the park is related to the intermittent and low circut problem I am having.
Tune in later.
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Windshield Wiper
Hey ssimons!
So much for the Multi-Function switch. Spent $105 plus tax after being assured by a Ford Certifed Mechanic that the switch is the culprit. Took ten minutes to install and the rest of the day to calm down (Ford won't take the part back; company policy).
I would really like to have someone tell me how to check the system and/or individual components with a muti meter so I can avoid the "process of elimination" method of troubleshooting.
Next cheapest item is the governor so unless someone can provide hard data on system testing that will be the next guess. By the sounds of your experience with changing the motor, the governor has got to be easier. Any idea where it lives? Gotta be behind the dash somewhere.
Give you updates as they happen.
Mike
So much for the Multi-Function switch. Spent $105 plus tax after being assured by a Ford Certifed Mechanic that the switch is the culprit. Took ten minutes to install and the rest of the day to calm down (Ford won't take the part back; company policy).
I would really like to have someone tell me how to check the system and/or individual components with a muti meter so I can avoid the "process of elimination" method of troubleshooting.
Next cheapest item is the governor so unless someone can provide hard data on system testing that will be the next guess. By the sounds of your experience with changing the motor, the governor has got to be easier. Any idea where it lives? Gotta be behind the dash somewhere.
Give you updates as they happen.
Mike
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Joined: Mar 2003
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From: Phoenix, AZ
Windshield Wiper
Ouch! Should have waited. Remember that other guy had the same problem and a switch didn't help him either.
My motor did not park because the park circuit on the motor was fried. Why did it fry? I pulled the combo switch and it checked out okay. I'm not sure that when the governor (SW-2338) shorts, it also fries the park in the motor or vice versa.
So I hooked my new motor up, turned on the accessories, and still same problem, but the new motor still was parking.
Yesterday, I found a governor here in Arizona for $ 36.00. Slapped it in and everything works fine. Problem solved. So the governor and the motor were both bad.
Don't run out and do anything till after my next post!!!
My motor did not park because the park circuit on the motor was fried. Why did it fry? I pulled the combo switch and it checked out okay. I'm not sure that when the governor (SW-2338) shorts, it also fries the park in the motor or vice versa.
So I hooked my new motor up, turned on the accessories, and still same problem, but the new motor still was parking.
Yesterday, I found a governor here in Arizona for $ 36.00. Slapped it in and everything works fine. Problem solved. So the governor and the motor were both bad.
Don't run out and do anything till after my next post!!!
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Joined: Mar 2003
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From: Phoenix, AZ
Windshield Wiper
First, check your motor. With the wipers stuck straight up, unplug the connector. Jump a wire from the + battery to the red wire coming from the motor. Carefully, using another piece of wire, jump across the black wire to the white wire. If they park, the motor is fine. If not, try it a couple more times. Maybe you just has a bad jump connection.
Still not parking? Make sure the motor is grounded. There is a black wire that goes from a screw on the motor to a screw on the firewall to a ground strap. Maybe that wire is bad, so jump across that. Try again to get the wiper motor to jump park again. Replace the ground or motor if needed.
Wait for the next post.
Still not parking? Make sure the motor is grounded. There is a black wire that goes from a screw on the motor to a screw on the firewall to a ground strap. Maybe that wire is bad, so jump across that. Try again to get the wiper motor to jump park again. Replace the ground or motor if needed.
Wait for the next post.
New User
Joined: Mar 2003
Posts: 11
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From: Phoenix, AZ
Windshield Wiper
First, check your motor. With the wipers stuck straight up, unplug the connector. Jump a wire from the + battery to the red wire coming from the motor. Carefully, using another piece of wire, jump across the black wire to the white wire. If they park, the motor is fine. If not, try it a couple more times. Maybe you just has a bad jump connection.
Still not parking? Make sure the motor is grounded. There is a black wire that goes from a screw on the motor to a screw on the firewall to a ground strap. Maybe that wire is bad, so jump across that. Try again to get the wiper motor to jump park again. Replace the ground or motor if needed.
More to come
Still not parking? Make sure the motor is grounded. There is a black wire that goes from a screw on the motor to a screw on the firewall to a ground strap. Maybe that wire is bad, so jump across that. Try again to get the wiper motor to jump park again. Replace the ground or motor if needed.
More to come
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Joined: Mar 2003
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From: Phoenix, AZ
Windshield Wiper
If your motor is fine, you know the switch is okay (put old switch on Ebay). Reconnect everything and try again. If you still have a problem replace the governor. Oh, and have fun getting at the governor. Its low under the dash. Right of the steering wheel. Mounted with two torx bolts. Its a dark brown box with a red Made in Brazil label "do not drop". I located mine by the clicking sound it made when the switch was set to intermittent. You will have to remove all the stuff under the steering wheel. You know, the hood release stuff.
I had been going to the library. They have lots of factory manuals in the reference dept. Phoenix is a big city, so they have that stuff. A lot of smaller cities won’t have it. These Certified Ford guys can give you a print out or copy the pages for you. They owe you.
I can post the section and page number for you. That way they can’t screw you again.
Till then.
I had been going to the library. They have lots of factory manuals in the reference dept. Phoenix is a big city, so they have that stuff. A lot of smaller cities won’t have it. These Certified Ford guys can give you a print out or copy the pages for you. They owe you.
I can post the section and page number for you. That way they can’t screw you again.
Till then.
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Joined: Mar 2003
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From: Phoenix, AZ
Windshield Wiper
Factory repair manual
1994 Ranger/Explorer/Aerostar Body/Chassis Aug 1993
Wiper and Washer System, Ranger/Explorer
01-16A-4 through 01-16A-16
Pgs 1 and 5 are extreamly helpful identifing wire
Pgs 15 and 16 are helpful in motor and govenor R & R
Pgs 7 - 10 is a step by step trouble shooting guide
Get your Ford lacky to copy these pages.
1994 Ranger/Explorer/Aerostar Body/Chassis Aug 1993
Wiper and Washer System, Ranger/Explorer
01-16A-4 through 01-16A-16
Pgs 1 and 5 are extreamly helpful identifing wire
Pgs 15 and 16 are helpful in motor and govenor R & R
Pgs 7 - 10 is a step by step trouble shooting guide
Get your Ford lacky to copy these pages.
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Windshield Wiper
I have exactly the same problem on a 1992 Ford Ranger XLT.
Intermittant and Low will sometimes stop (and won't park).
High speed always works.
I have also been trying to find the governor. I have the low side drivers dash taken apart, but can't find the little guy.
The 1992 was the last year for that particular style. One of you mentioned that the governor "brown box" was on the right side of the steering wheel down low. Did changing this help WIGGRP?
I'm also interested in the wires going to the motor within the engine compartment. The wires feeding the connector just before the motor are RED, Black, White, and Blue (with an orange stripe). I've seen reference on one of the other post that RED is 12V, and the others are CONTROl in some fashion. How are the control wires defined?
Intermittant and Low will sometimes stop (and won't park).
High speed always works.
I have also been trying to find the governor. I have the low side drivers dash taken apart, but can't find the little guy.
The 1992 was the last year for that particular style. One of you mentioned that the governor "brown box" was on the right side of the steering wheel down low. Did changing this help WIGGRP?
I'm also interested in the wires going to the motor within the engine compartment. The wires feeding the connector just before the motor are RED, Black, White, and Blue (with an orange stripe). I've seen reference on one of the other post that RED is 12V, and the others are CONTROl in some fashion. How are the control wires defined?
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Windshield Wiper
Hello ssimmons;
Great info on all counts! I have been travelling for a couple of weeks hence the delay in getting back to you.
I will follow your guides and continue my quest to get my wipers working. Schedule should free up to do this within the next couple of weeks. Will let you know the outcome.
Thanks for all the research and valuable info.
Cheers! Mike
Great info on all counts! I have been travelling for a couple of weeks hence the delay in getting back to you.
I will follow your guides and continue my quest to get my wipers working. Schedule should free up to do this within the next couple of weeks. Will let you know the outcome.
Thanks for all the research and valuable info.
Cheers! Mike