Electrical Connection to Rear Differential Question - Printable Version +- Car Repair Forum (https://fixkick.com/forum) +-- Forum: Suzuki (https://fixkick.com/forum/forum-suzuki) +--- Forum: Sidekick/Tracker (https://fixkick.com/forum/forum-sidekick-tracker) +--- Thread: Electrical Connection to Rear Differential Question (/thread-electrical-connection-to-rear-differential-question) |
Electrical Connection to Rear Differential Question - Nunapitchuk - 01-30-2016 There is some kind of sensor or other device on my rear differential. It has a two-wire electrical connection to it. My questions are: What is it? What does it do? How does it work? And is it something that might need replaced after 160K miles? RE: Electrical Connection to Rear Differential Question - fixkick - 01-30-2016 welcome , Cowpoke. I'm not sure what car you have, or year? but many have RWAL type that in my search box, kickfix.com thats the rear wheel antil lock break sensor here we go http://search.freefind.com/find.html?si=1199482&pid=r&n=0&_charset_=UTF-8&bcd=%C3%B7&query=rwal see? (01-30-2016, 04:24 AM)Nunapitchuk Wrote: There is some kind of sensor or other device on my rear differential. It has a two-wire electrical connection to it. RE: Electrical Connection to Rear Differential Question - Nunapitchuk - 01-31-2016 Thanks. I found a page describing the RWAL. My vehicle is non-ABS so I was not expecting any kind of antilocking system. So that is just a speed sensor in my rear differential. Do RWAL sensors wear out and need changed after 20 years or are they usually pretty stable for the long term? RE: Electrical Connection to Rear Differential Question - fixkick - 01-31-2016 abs in not Rwal rwal is early experimental crude abs (NO FRONT CONTROLS) if you car has no Rwal controller at left toe and no dump valve on master cylinder then those were removed or someone put an RWAL axle in your car, abs is 1996 thing, actually here. and was optional for many years. Some years in place of RWAL have this part 20 this is load measuring, device, that make rear brakes stronger the more load added to rear of car. http://www.fixkick.com/brakes/96-98nonABS.jpg the rear axle sensor , just gets dirty, cleaning fixes most. if wrong at all the RWAL box has flash codes, my page show how to get those codes. and if no bad codes, that senor is ok the Brake lamp in cluter glows for when RWAL is unhappy, (and handbrake on and low master cylinder levels) RE: Electrical Connection to Rear Differential Question - Nunapitchuk - 02-01-2016 It looks like original equipment. Here is a photo of the RWAL sensor and the brake hydraulic parts that I removed. So it looks like an original installed RWAL system, right? I don't know the names of all the parts yet. Just curious, how does that sensor work? Is it an open/close switch that is triggered by some condition in the rear differential? RE: Electrical Connection to Rear Differential Question - fixkick - 02-01-2016 works just like abs, but just stops rear axle from slipping its tachometer sensor. just like a crank sensor, or vss sensor or,modern abs sensor. its purpose is to stop dangerous, over steer on ice (swapping ends) if it sees the axle rpm drop too fast , it knows the brakse, are locked up and then activates the dump valve fast to lower rear brake line pressure.,ending skid on ice or dirt. cheers. it just and rpm sensor, no more, cheers (02-01-2016, 05:41 AM)Nunapitchuk Wrote: It looks like original equipment. Here is a photo of the RWAL sensor and the brake hydraulic parts that I removed. So it looks like an original installed RWAL system, right? I don't know the names of all the parts yet. NICE work BTW !!! its very simple, no? just one dump valve and one sensor. but could save a life, i guess. one way to test it would be on ice parking lot or on wet grass try to look up brakes. fronts my but not rear. cross fingers. |