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Message: <blockquote data-quote="Strider" data-source="post: 110084" data-attributes="member: 314">OK, this is how i do the testing and concluded that the elemen karput.I use the DC testpen (you know, screwdriver with in-built bulb and a long wire coming out from it) clip to the body. Test the testpen to the positive terminal of the battery and it light up (show that the grounding is working). Swith on the main supply (key) and switch on the demister/defroster and touch the testpen to one of the cable connector at the left/right of the windscreen. At the left hand side, the bulb light on but at the right hand side the bulb didn't light on. This means the supply reach the demister but didn't go through it to the other end.Am i doing the right testing procedures here?Thanks guys</blockquote>