VigorousBrando Posted July 8, 2014 Share Posted July 8, 2014 I fear my SC400 is near the end of the road. I just returned from a week long vacation and all the sudden the following electrical components are not working regardless of what I do: Power Seats, Windows, Steering Wheel Stereo Climate Control Unit Dashboard (When set to ON) But these electrical components ARE working like normal: Door Chime Horn Lights The battery and alternator are both less than a year old and the battery tests out as good. My car was left on a gravel driveway and has been there from last Sunday (6/29) to this evening (7/7). When I left it, it would start just fine and all components were operating normally. Regardless of where I turn the car key now though, thedoor chime doesnt stop. Nothing lights up and I hear none of the typical fuel pump/preparation noises the car makes in the ON position. I've spent all day researching what could be wrong and followed some suggestions. I tried using a valet key and that made no difference. I checked the 7.5amp fuse #4 in the driver panel which is responsible for the starting system and it was OK. Made sure the car was in gear, attempted a jump start...nothing. The only audible response I got was when I tried the door locks. They stopped working a long time ago, but have always made a noise as though they were trying to lock. They are still making that noise. While I was testing the various components out, my Uncle Gearhead noticed a "electrical burning" smell coming from the alternator area. I'm at a loss for what could be wrong. Any ideas what I can look into? Thanks for your help in advance! Quote Link to comment Share on other sites More sharing options...
hunukenny Posted April 7, 2017 Share Posted April 7, 2017 hey, did u ever figure out how to fix this?, I'm having the same problem Quote Link to comment Share on other sites More sharing options...
VigorousBrando Posted April 7, 2017 Author Share Posted April 7, 2017 I did. It was the alternator, specifically at the electrical plug point. Both the alternator and an electrical plug (I got it on eBay) had to be replaced. What I think happened was an animal or something chewed through a wire while it was sitting there and caused the electrical burn. All has been well for the past nearly three years. I'm almost at 267k now and running a NAPA alternator. Quote Link to comment Share on other sites More sharing options...
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