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Ford Ranger Brake Problems

116 messages,  Last post on Oct 26, 2009 at 7:52 PM

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#77 of 116
Re: 94 Ranger brake light/pedal switch wiring fire [1mrwonderful2] by bolivar
Sep 29, 2008 (11:36 pm)
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Replying to: 1mrwonderful2 (Sep 29, 2008 11:00 pm)

The power to the brake switch is hot all the time. And I think that green with red wire is the 'hot' wire. With ignition off, key out, you can step on brake and get brake lights.
 
Are you saying you pulled the connecter off the switch, then jumped these connectors and the fuse blew? If so, then the switch is not the problem. You have a short to ground somewhere between the switch and the brake lights.
 
Ok, I read your note again. It looks like you got power to the wire coming out of the switch (Light Green?) and the brake lights came on. And putting the connectors back on the switch, the fuse blew. This does seem like the switch is bad, bad, bad. In fact it seems to be shorting directly to ground. I would have hoped the fuse would have blown and not smoked the wire, but maybe someone put a larger fuse in there than specified.
 
Of the 3 switches that failed on my 94, none of them did this. The just quit making good contact when the brake pedal was pushed. This is also scary in cruise control, because when the switch/brake lights don't work, the cruise is not dis-connected when you push on the brake.... This is usually how I would find out the switch was not working. And, the one time the county deputy followed me into my driveway to tell me I didn't have any brakes light.
#78 of 116
Re: 94 Ranger brake light/pedal switch wiring fire [bolivar] by 1mrwonderful2
Sep 30, 2008 (6:24 am)
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Replying to: bolivar (Sep 29, 2008 11:36 pm)

Since I bought the vehicle used, actually 94 B3000 Mazda, not sure of morons that have been under the dash.... Looked to me that the wire may have been stripped or just worn from rubbing something ... causing short and the burning wire. The fuse was correct and eventually blew during the original smoke/sparking/lights out scene (dash, stop, tail and flashing ABS indicator). I 'trouble shot" the situation by first isolating the burnt wire.. got all lights except brake light (and ABS flashing). Then installed new wires to switch....still good ... activating the switch blew the fuse... Wife on way home with new switch... Hopefully installing will get us back in operation... Thanks for insight.
#79 of 116
Re: 94 Ranger brake light/pedal switch wiring fire [1mrwonderful2] by bolivar
Sep 30, 2008 (3:01 pm)
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Replying to: 1mrwonderful2 (Sep 30, 2008 6:24 am)

Yea, since that wire is hot all the time, that moron might have stripped off some insulation to power something. And when he took it out, didn't bother to put any tape on it.
 
Of course, they strip the wire coming out of the switch to power electric trailer brakes. This, and more, was done on my used 94.
 
Good luck. Electricical problems are tough.
#80 of 116
Re: 94 Ranger brake light/pedal switch wiring fire [bolivar] by 1mrwonderful2
Sep 30, 2008 (7:34 pm)
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Replying to: bolivar (Sep 30, 2008 3:01 pm)

Well does not seem that the switch was the issue... Took it to a mechanic after the new switch tripped fuse as soon as it was plugged in... Mechanic suggested new bulbs... still no stop lights ... Got everything except stop function and connection to stop switch now working..... Tomorrow we plan to attempt to eliminate the use of the light green wire (with red stripe) in harness and connect the new switch in line somewhere at firewall. Will share progress.
#81 of 116
Re: 94 Ranger brake light/pedal switch wiring fire [1mrwonderful2] by bolivar
Sep 30, 2008 (9:31 pm)
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Replying to: 1mrwonderful2 (Sep 30, 2008 7:34 pm)

Is it still blowing fuses?
 
If so, you have a short somewhere between the switch and the rear lights.
 
If it's not blowing fuses, then something you have done 'fixed' this.
 
I would look closely at the rear lights for corrisson, etc. Look for cutting into the wiring back there to drive trailer lights.
 
If I remember right, you drop the tailgate to get to the screws that hold the rear light lens.
#82 of 116
Re: 94 Ranger brake light/pedal switch wiring fire [bolivar] by 1mrwonderful2
Oct 01, 2008 (7:31 am)
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Replying to: bolivar (Sep 30, 2008 9:31 pm)

WE are both at same spot in trying to pinpoint this.... fuses do not blow until the switch is connected.... I installed the aftermarket plug in fixture for the trailer hook up when I first got the truck two years ago. Also has cap with separately wired interior light and third stop light (disconnected these to make sure the problem was not there). Really think the short is still in the line up front between point I went back to and the firewall. Raining and can't work on it today... Let you know what we find so others hopefully will benefit from my frustration THANKS !!!!!
#83 of 116
Re: 94 Ranger brake light/pedal switch wiring fire [1mrwonderful2] by bolivar
Oct 01, 2008 (5:59 pm)
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Replying to: 1mrwonderful2 (Oct 01, 2008 7:31 am)

About the same 'electrical mods' when I bought my 94. But I also had a cigar lighter plug pulled inside the cap, right off the battery, but it was fused. The previous owner pulled a little popup camper. And they had a dog because I was still cleaning dog hair out of the interior when I sold it 9 years later. I think they put a heater inside the cap for the dog when they camped, that's why there was plug pulled in there. The connections for the brake lites on the top of the cap were made with those crappy push-together connectors, under the driver sill plate, and didn't work. Took a while to find that. I rewired these and then the brake light promptly fell off. (It was at the top of the rear lift window, with a crappy bracket.) So, got to fix that. Then, it blew a bulb, with absolutely no indication of what the bulb number was. Just had to look at replacement bulbs to find one the same size with the same base. I pulled the trailer plug and wiring off. It also had terrible connections and tape. They also just cut the wire leading to what obviously was their electric brake box, on the downstream side of the brake switch under the dash. A cut-off wire, which would be hot when the brake was pushed, just hanging under there. I hate add-ons!
 
Next step for you - pull the plug on the trailer wiring fixture and put it back 'stock'. If the adapter or the plug for the trailer has a short inside, this could be the problem, and removing it would stop the fuse blowing, show this has the short. As a matter of fact, pull the adapter out, and leave the stock plug to the brake lights/turn signals unplugged. Put a new fuse in and hit the brake. If the fuse doesn't blow, there is no problem from the brake switch back to that connector. Plug in the stock connector. Hit the brake. If the fuse blows, the problem is in the brake lights, fron that connection to the light lens. If it didn't blow, the problem is probably in the add-on trailer package you unplugged.
 
I've unwired several trailer plugs, usually having terrible connections, on used vehicles I've bought. Only time I wired up a package, on a friends truck, it immediately blew a fuse. I made the connection ok, but I didn't successfully put the trailer plug back together correctly. Mis-aligned the plug, and the little screw in the side that held it together screwed right into a wire for the brake lights. A reason I don't like to work on other peoples cars. If I do such things for myself, it only hurts me. Don't like blowing up other people's stuff.
 
P.S. I've read recently about Harbour Freight recalling fuses, China made. They would not blow anywhere near their rating. Burned some stuff up. A bad fuse might have caused your original 'smoked wire'. I think some other parts houses might have recalled some of their fuses also. Try to find some 'good' fuses. Ask at the parts house if they have had a recall or anyone having problems. You don't want bad fuses to add to this problem.
#84 of 116
Re: 94 Ranger brake light/pedal switch wiring fire [bolivar] by 1mrwonderful2
Oct 02, 2008 (9:28 am)
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Replying to: bolivar (Oct 01, 2008 5:59 pm)

Some GREAT suggestions... weather prohibiting follow up since Tuesday.... on way to Harbor Freight with my fuse kit !!!! GUESS WHAT ! Exactly what I have been using for several months !!! Do have some old quality ones and will immediately change out the Made in China ones that I can find. T H A N K S !!!!
#85 of 116
brakes making a loud rumbling noise by horsegal2233
Jan 14, 2009 (8:43 pm)
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i have a '99 ford ranger and just recently everytime i press the brake it makes a loud rumbling sound. at first i thought it was a plane flying overhead or something... Can anybody tell me what's wrong? it would be greatly appreciated.
thanks
#86 of 116
Re: brakes making a loud rumbling noise [horsegal2233] by bolivar
Jan 15, 2009 (12:19 am)
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Replying to: horsegal2233 (Jan 14, 2009 8:43 pm)

You need new brake pads and/or shoes?????
 
The front disk pads should have a piece of metal that acts as a noise-making warning when the pads are worn down and need replacing. The noise is usually described as a 'chirping' noise, but different people may hear it differently. Or how it makes contact may make a different noise.
 
Rear drum brakes that have worn down far past needing replacing, and are getting metal to metal contact, usually sound like a metal to metal 'scraping' noise.
 
In any case, you will have to have your brakes inspected by a good shop. If you are hearing noises, I think you should do this very, very soon. If you delay, you could cause even more problems.

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