BenzWorld Junior Member
Date registered: Jul 2006
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107 Battery ground cable corrosion
Just thought I'd pass along a recently discovered problem/solution with my electrical system. I experienced erratic operations in the headlights, electric windows, ignition and anything electrical, including instruments, which was caused by a corroded battery cable, where it attaches to the chassis, at the battery tray. I had cleaned the battery's terminal posts and cable ends, charged the battery and tested the condition of the fuses, all to no avail. The lights would dim, the windows operated up and down in a lethargic manner, and so on. The latest was that the car would not start when the key was turned to engage the starter. No clicks, growls or chatter from any of the relays/solenoids. It was total electrical disconnect. Testing the battery at the terminal posts showed the battery to be in a fully charged state. So, in conclusion, if you are experienceing any of these types of symptoms with your car, don't forget to check the battery cables, not only at the battery posts, but also to their respective terminations, AND, the attaching hardware, which should be replaced if any sign of corrosion is present.