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Car Forum / Ford / Ford Explorer / September 20054x4 relay location in an '02 Explorer
Hi, My mechanic diagnosed a P1824 fault code "4 wheen drive electric relay circuit fault" and ordered a new relay. The porblem is it arrived at about 3:00 on Friday (today) and the shop manual the mechanic has doesn't have a location for the relay. Since I wanted to have a car this weekend I now have the explorer and the relay. The relay is stamped "F57B-6912-BA". It has 10 pins, six on one row and two sets of two pins on the other. It appears to be an interior relay as it is not waterproof. Any ideas? Thanks! 4X4 module is located behind the cubbyhole....notice the code mentioned the circuit as well as the "relay". > Hi, > [quoted text clipped - 13 lines] > > Thanks! Thank you for the quick reply. I am only the lowly owner of the vehicle. Where is the "cubbyhole"? I did notice the code; it was written down on a piece of paper for me. All I really want is to replace the relay without missing a chunk of the day's work dropping off and picking up a car at the shop. If you can help, please be specific. cubbyhole = glove compartment. > Thank you for the quick reply. > [quoted text clipped - 8 lines] > > If you can help, please be specific. Almost forgot.... your code indicates a problem with a circuit, not a component. Replacing the component may or may not fix the problem. > cubbyhole = glove compartment. > [quoted text clipped - 10 lines] > > > > If you can help, please be specific. Thank you. The decision to try the relay replacement was mine based upon the cost/benefit analysis of a relay versus the labor to diagnose the entire control circuit. I will now look behind the 'cubbyhole'. Update: I looked behing the glove box. No joy. There is the heater blower and a big Bosch electronics module, but no relay. The one I have is about 2 inches wide, 1.5 inched tall and 1 inch deep. The box lists the realy as "F57Z-4N089-BA". Any other thoughts? I checked the wiring diagrams for 02 once again.... neither Job 1 or Job 2 diagrams show a 4X4 relay. Both show the control module as being behind the glove compartment. Sorry I can't be any more help... > Update: > [quoted text clipped - 4 lines] > > Any other thoughts? Thanks for the help, Jim. I'm not sure what to do next. One suggestion was to remove the center console under the theory that the current switching device would be near the current using device to keep the wires short. I hate going to the dealer. The last time I did they tried to charge me for repairs until I asked "which part of the 3 year/36,000 mile bumper to bumper warranty does this fall outside of?" The the guy "remembered" the year and mileage of the vehicle. I have recently had my '97 Explorer diagnosed with the same code. Took the car to a Cottman transmission and a specialty Auto Electric garage, and neither could see anything wrong with the circuit. They both reset the computer, but after some time the lights came on again. Saw your posting on the internet from May. I was wondering whether replacing the relay did solve your problem. (Jim Warman thought it may not) Also, could you tell me two things: 1. How did you discover the problem. In my case, both the 4WD & 4WDLow lights would flash simultaneously (at random ), and then go off. This was never off-road or rough conditions, and I never selected 4WD via the selector switch. 2. Do you use 4WD regularly? I do not, and was told that this might be a false reading based on lack of use (seems like a stretch to me). Any insight you can give would be appreciated. Regards, >Hi, > [quoted text clipped - 6 lines] > >Thanks!
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