2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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Old 11-14-06, 10:07 PM
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Exclamation wiper switch

so i had a quick question and i was hoping someone could help me. are the s4 and s5 wiper switches interchangable? i think they are but not sure, and i wanna have a definate answer before i rip the old one out. btw i have an 89 gtus.
thanks,
izzy
Old 11-14-06, 10:25 PM
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NO. They can only be made to work by rearranging the wiring in the plug and jamming the MAIN switch to be on all the time.
Old 11-14-06, 10:27 PM
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thanks hailers, now i don't have to tear mine out, but i still gotta find a new one.
Old 11-15-06, 12:16 AM
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Originally Posted by rotorhead_izzy
thanks hailers, now i don't have to tear mine out, but i still gotta find a new one.
I think ICEMARK repairs them for a nominal fee. You might PM him.

The ones in the junkyard are 50/50 good/bad. It's a gamble.

New ones cost enough to **** you off. In a bind one can install a switch. On one end of the switch is a grounded wire. On the other end the Wiper switches blue/whte wire. I think that is the medium speed wire. The fast wire is not in my memory back right now. I've no manual here right now. Do the PM thing.

In short, all the wiper motor is looking for from the wiper switch, is , is a ground on the blue/white wire or the *other* wire who's color escapes me.
Old 11-15-06, 01:29 AM
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Originally Posted by HAILERS
NO. They can only be made to work by rearranging the wiring in the plug and jamming the MAIN switch to be on all the time.
Coupe model wiper switches are all interchangeable without any wiring changes
Old 11-15-06, 02:45 AM
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I have a s4 13b T 86 model my wiper switch has died and only works on the 2nd speed setting. can i change the switch with any s4 or s5 switch?
Old 11-15-06, 08:21 AM
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Originally Posted by OzFC13B
I have a s4 13b T 86 model my wiper switch has died and only works on the 2nd speed setting. can i change the switch with any s4 or s5 switch?
Yes, you can change it with any except convertibles. And even that is not quite right because even a convertible switch would work the front wipers and hazard lights.

The only real difference between S4 and S5 coupe wiper switches is that the S4 versions flash the hazard indicator on the switch (as well as the dash) when the hazard lights are on. The S5 versions only flash the dash and external lights.
Old 11-15-06, 08:52 AM
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Originally Posted by rotorhead_izzy
thanks hailers, now i don't have to tear mine out, but i still gotta find a new one.

Tell you what, ignore what I wrote and read what ICEMARK wrote.

OH! And OOOPS. I was mixing Cruise Control and wiper switches up in my head. My very bad post. Sorry 'bout that. Hope I didn't cause any problems for you.
Old 11-15-06, 08:57 AM
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Originally Posted by HAILERS
Tell you what, ignore what I wrote and read what ICEMARK wrote.

OH! And OOOPS. I was mixing Cruise Control and wiper switches up in my head. My very bad post. Sorry 'bout that. Hope I didn't cause any problems for you.


You're having trouble lately.
Old 11-15-06, 11:41 AM
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Originally Posted by HAILERS
Tell you what, ignore what I wrote and read what ICEMARK wrote.

OH! And OOOPS. I was mixing Cruise Control and wiper switches up in my head. My very bad post. Sorry 'bout that. Hope I didn't cause any problems for you.
Yep, Cruise Control and Turn signal switches are series dependent, but the wiper and headlight switches are series interchangable.
Old 11-15-06, 02:01 PM
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thanks alot icemark. i tried to take my old one out but i can't seem to get it out. do i have to do anything special like take the steering wheel off or anything like that?
Old 11-15-06, 03:48 PM
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The wiper switch/cluster is held in with two screws. You have to remove the cluster to access them.

I usually remove the steering wheel, then the two large round electrical plugs on the back of the gauge cluster plus the speedometer cable. Then pull it out and lay it on a workbench.
Old 11-15-06, 06:15 PM
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Don't need to take the steering wheel out. It is awkward with it in though. Once you get the bezzel loose, you need to reach behind and feel for the plugs going to the various switches and unplug em all.
Old 11-15-06, 09:50 PM
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thanks valdez. i'm gonna do it on saturday when i have some time to look at it. i think i'm gonna make it easier on myself and take the steering wheel off. thanks again.
izzy
Old 11-15-06, 10:18 PM
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From Mazdamark.com:
REMOVING THE WIPER SWITCH

If you are unfamiliar with working on cars and automotive electrical system, it is recommended that you first disconnect the NEGATIVE battery cable to prevent accidentally shorts or electrical damage.

On all coupes and 88-89 convertibles without tilt steering, first remove the steering column surround. There are 4 screws accessible from the bottom of the surround. There is also a trim ring around the key hole that will need to be popped off for the lower surround section to be removed.

Then you can remove the cluster surround containing the headlight switch, and wiper switches. There will be three screws across the top of the surround and one in each corner on the bottom. Note that there will also be a smaller head screw near the larger body screw on the bottom of the gauge cluster surround. This is for the switches themselves and it will not be necessary to remove them at this time.


Next, pull the surround out slightly and reach around the back of the surround, there will be 3 or 4 plugs connected to the headlight switch, turn signal switch, wiper switch and cruise control switch (if equipped) that will need to be unplugged. Once unplugged you will be able to slide the cluster surround and switches between the steering wheel and the dash.

In some models it will also be necessary to remove the steering wheel, to remove the cluster surround. If the cluster surround does not fit between the dash and the steering wheel, simply remove the two or three small screws on the back of the steering wheel to access the steering wheel nut. Remove the nut, and rock the steering wheel or pull back sharply to pop the wheel off. It is not recommended that you remove the steering wheel on vehicles equipped with airbags.

Once the cluster surround with the switches is removed from the vehicle, you will remove the wiper switch itself. Pull off the buttons and *****. Then remove the screws holding in the cruise control switch (or cruise control switch cover/blank) and the three screws holding the wiper switch. Pop the wiper switch out, by sliding it between the two sides of the cluster surround.
Old 11-15-06, 10:28 PM
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icemark you rule. thats exactly what i was looking for. looks like i will have to take my wheel off, but thats no problem.
Old 11-16-06, 08:27 AM
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You will likely need a big wrench to get the steering wheel off. The center bolt is reefed on there very tight and probably won't budge with an average wrench. It is the same size as the spark plug socket.
Old 11-16-06, 10:47 AM
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Originally Posted by Valdez
You will likely need a big wrench to get the steering wheel off. The center bolt is reefed on there very tight and probably won't budge with an average wrench. It is the same size as the spark plug socket.
normal 19mm socket and 3/8 drive rachet is all that is needed
Old 11-16-06, 10:11 PM
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thanks for the socket size. do i have to take the screws out that hold the plactic piece the back of the wheel?
Old 11-16-06, 10:19 PM
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Yes, you have to remove the 3 screws on the back that hold on the fron steering wheel cover.
Old 11-16-06, 10:22 PM
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thanks sideways7, i thought i would have too, but anything i don't have to take off would be best cuz i have to do this in the wisconsin weather




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