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ABS and brake light on

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ABS and brake light on - 11/5/2003 6:38:01 PM   
Bigcat

 

Posts: 27
Joined: 11/5/2003
From: United States
Status: offline

Hello folks just found this site 


I have a 99 ram 4x4 pick up with a 318 and 120.000 miles.


The abs and brake light has come on, the front brakes are new, the rears are like new,fluid is full. I checked the fuses and relays all good.


The trucks stops good, any thoughts?


John

Bigcat37930.7773842593
Post #: 1
ABS and brake light on - 11/6/2003 1:03:12 PM   
DODGE Germany

 

Posts: 49
Joined: 10/27/2003
From: Germany
Status: offline

Hi John,there are two opportunities: 1. The expensive one (I donīt think so, but its still possible) Your ABS-Module is blown.You could check this on a empty slippery way.Accelerate till 30mph -open the door look at your rear wheels they īre donīt allowed to stop and skidding while fullbreak,they have to rotate while breaking.If they rotate even at fullbreak the ABS is ok.


2. The lousy one.The ABS got sensors at the rearaxle-drum and maybe at the front calipers.(Depends on your version)Some time the plug lost contact so the ABS-Module get no back-datas and then it says. Caution - NO ABS-Brake. Check this, its my favorit.


Mikel (Dodge Germany)


PS.: Let us now, if Iīm right for further problems, please

DODGE Germany37931.5447800926

(in reply to Bigcat)
Post #: 2
ABS and brake light on - 11/6/2003 6:49:14 PM   
Bigcat

 

Posts: 27
Joined: 11/5/2003
From: United States
Status: offline

Mikel, thanks for the reply.


I hope to get a look at the rear axle next week sometime.


I think I will pass on the slippery road test


(in reply to Bigcat)
Post #: 3
ABS and brake light on - 11/7/2003 7:06:53 PM   
DODGE Germany

 

Posts: 49
Joined: 10/27/2003
From: Germany
Status: offline

Hey Bigcat !! (Lil`Cat?) kind of coward, huh ?? You could take a real good buddy for looking from the bed on the rearwheels and if you make a fullbreak heīs bashing into the cabin.          Sound thatīs better  ?? Mikel


(in reply to Bigcat)
Post #: 4
ABS and brake light on - 11/9/2003 10:41:43 AM   
jjsticks@comcas

 

Posts: 1
Joined: 11/9/2003
From: United States
Status: offline
sounds like the sensor on top of the rear housing is defective check for water in the connections. if not replace "RWAL" sensor.let me know.ive worked for dodge for 23 years ."MOE"

(in reply to Bigcat)
Post #: 5
ABS and brake light on - 11/10/2003 10:29:47 AM   
Bigcat

 

Posts: 27
Joined: 11/5/2003
From: United States
Status: offline

Thanks for the reply, Moe.


I pulled the plug and checked the connections, and sprayed them all down.


I also pulled the plug on the RWAL and checked the connections, the light is still on.


I would guess the RWAL is shot?


John


(in reply to Bigcat)
Post #: 6
ABS and brake light on - 11/17/2003 7:31:23 PM   
5.9rm

 

Posts: 94
Joined: 11/17/2003
Status: offline

hey-


ive got a '99 ram 1500 4x2 and have the same problem.  i have yet to figure it out, but i will try all these ideas.  bigcat, could you let me know if you fix the problem before i do? i will do likewise. thanks.


aaron


(in reply to Bigcat)
Post #: 7
RE: ABS and brake light on - 4/13/2004 11:05:28 PM   
camhar

 

Posts: 1
Joined: 4/13/2004
Status: offline
I've got a similar if not the same problem.

The ABS and Brake light both illuminate when my speed reaches about 40MPH, then they stay on until I turn off the truck. When I start it up again, the lights are off until I'm close to the 40MPH range again.

I already replaced the RWAL sensor on top of the rear differential, I still have the same problem.

Being curious, I disconnected the wire from the new RWAL sensor as another test. When disconnected, both lights turn on and stay on as soon as the truck is started.



Bill

(in reply to 5.9rm)
Post #: 8
RE: ABS and brake light on - 5/6/2004 2:10:19 PM   
JDodge00

 

Posts: 4
Joined: 5/6/2004
Status: offline
I also have the same problem my ABS & Brake light stay on in my 1999 Dodge Ram 4x2, I also noticed that my odometer start reading after I hit 20 to 25 MPH. I did some research and I found out that it can be my speed sensor. I am going to hook up a diagnostic reading this weekend. I will let you know what I find out.

Thanks

(in reply to Bigcat)
Post #: 9
RE: ABS and brake light on - 5/6/2004 2:53:24 PM   
nateramirez

 

Posts: 15
Joined: 3/30/2004
Status: offline
JDodge00,
I can almost gurantee that your problem is the speed sensor on your rear differential. I had the exact same problem in my 2001 4X4 Ram 1500. The speed sensor on the rear differential is responsible for the speedometer speed as well as the RWAL. At least this was the problem with my truck...The part was 33 bucks and really easy to change...

(in reply to JDodge00)
Post #: 10
RE: ABS and brake light on - 5/6/2004 3:28:47 PM   
RcBandit28


Posts: 525
Joined: 1/25/2004
From: United States
Status: offline
Brake Light Switch?

_____________________________


2003 Ram 1500 Off-Road 4x4 HEMI
Regular Cab, Short Bed, Graphite, 3.92s
50,000 Gas Sucking Miles!

(in reply to nateramirez)
Post #: 11
RE: ABS and brake light on - 5/6/2004 6:46:11 PM   
JDodge00

 

Posts: 4
Joined: 5/6/2004
Status: offline
nateramirez, Thanks I will try this sensor before this weekend if that does not work I will take it to get the Diagnostic reading hopefully this work and it will save me 60 to 70 dollars.

Thanks

(in reply to nateramirez)
Post #: 12
RE: ABS and brake light on - 5/8/2004 9:46:47 PM   
Parts/Service



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Go to a dealer and buy part # 56028187AE for about $35.00 and your lights should go off, this is a common problem. I see this problem almost daily. Don't pay for a diagnosis, TRUST me this will fix your problem. Or call me at 1-800-663-2522 and ask for David and i will ship you one.

_____________________________



Starting my 10th year as a Parts and Master Certified Service Manager. James O''''Neal Dodge. Bremen GA.- 1-800-663-2522 www.onealdodge.com www.bigostreetrods.com

(in reply to Bigcat)
Post #: 13
RE: ABS and brake light on - 5/18/2004 5:05:38 PM   
HemiMan02

 

Posts: 137
Joined: 5/11/2004
Status: offline
I dont know what kind of electronics knowledge you have, but there is an easy way to diagnose the sensor if you know how to use a multimeter. or if you know how much resistance the sensor has you can go buy a resistor at radioshack for like $0.10 and wire it between...if you have the right resistor and wire it correctly the light will go out confirming that its the rwal sensor. any auto tech should be able to do that or use a scan tool to confirm it.

(in reply to Bigcat)
Post #: 14
RE: ABS and brake light on - 5/19/2004 9:37:18 PM   
Rammit

 

Posts: 5
Joined: 5/19/2004
Status: offline
quote:

ORIGINAL: Parts/Service

Go to a dealer and buy part # 56028187AE for about $35.00 and your lights should go off, this is a common problem. I see this problem almost daily. Don't pay for a diagnosis, TRUST me this will fix your problem. Or call me at 1-800-663-2522 and ask for David and i will ship you one.

wOW......first topic I find is one of my problems...........same week my airconditioner craps out on my '99-1500 4x2 ,the ABS and Brake warning lights come on.......later that day my speedometer stops reading too.
Thank You for the info!!
Now, if I could get Dodge to help out with the air problem that it seems many of these trucks have in the evaporator.....mileage is only 59k.

(in reply to Parts/Service)
Post #: 15
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