I have a 1999 ford ranger, the battery is drained every morning. I traced the drain coming from my left head lamp,?
Although the lamp still works but why does it still drain the battery… What do I do?
Added (1). it is the left head lamp that is draining my battery! But why, it still works… Maybe moisture in it?
Probably not the lamp itself unless you see its on. Still, could be a partial load and only drawing 2 amps, coming on so dimly you don't notice but 2 amps will kill a new battery, overnight. And it shouldn't be on so there's a short to a relay or something else causing this.
More probably a relay or hot lead shorting to ground or some other leak path, like two wires rubbing, or touching ground, where they pass under door weather stripping or something. Kudos that you were able to isolate by removing fuses.
Next, get wiring diagram online or a Haynes book. Trace from that L headlite fuse thru all relays, loads. Connect a voltmeter across the (Empty) fuse hole. Remover relays or what ever, one at a time until DVM reads zero volts. It will be rubbing wire(s) or possibly pins in a connector shell making contact. Or, broken relay or shorted out solid state relay. Small chance computer bad, it seems to control everything in Fords.
Probably not the lamp itself unless you see its on. Still, could be a partial load and only drawing 2 amps, coming on so dimly you don't notice but 2 amps will kill a new battery, overnight. And it shouldn't be on so there's a short to a relay or something else causing this.
More probably a relay or hot lead shorting to ground or some other leak path, like two wires rubbing, or touching ground, where they pass under door weather stripping or something. Kudos that you were able to isolate by removing fuses.
Next, get wiring diagram online or a Haynes book. Trace from that L headlite fuse thru all relays, loads. Connect a voltmeter across the (Empty) fuse hole. Remover relays or what ever, one at a time until DVM reads zero volts. It will be rubbing wire(s) or possibly pins in a connector shell making contact. Or, broken relay or shorted out solid state relay. Small chance computer bad, it seems to control everything in Fords.
- What is the most common fuse that needs to be pulled to stop the battery drain. Parking lights? Radio? Examples. Horn?>1999 ford ranger? What is the most common fuse that needs to be pulled to stop the battery drain. Parking lights? Radio? Examples. Horn? >1999 ford ranger?
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