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Battery drain: Footwell lights


 
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orlimar105
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Joined: 16 Sep 2004

PostPosted: Fri Sep 17, 2004 6:45 am    Post subject: Battery drain: Footwell lights Reply with quote

An easy one...

Just about managed to start the car this morning for the daily commute: battery was pretty much dead. I noticed the footwell lights were on (both driver and passenger side) before I even unlocked the car.

What are the triggers for the footwell lights to come on? Is it the locking mechansim or the opening of the doors (I noticed a rubber pressure switch located in each door opening). How can this fault be fixed?

In the meantime, I've unscrewed the bulbs in question.

It's a 99 Cherokee Sport 4WD.
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ThePhantum
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Joined: 23 Jan 2004
Location: I knew it...I'm surrounded by Assholes!

PostPosted: Fri Sep 17, 2004 11:36 am    Post subject: Reply with quote

I think it's that pressure switch, but I'm not sure. Lemme look into it a little...I should be able to get you a firm answer by tonight.
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ThePhantum
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Pissed-Off Admin


Joined: 23 Jan 2004
Location: I knew it...I'm surrounded by Assholes!

PostPosted: Fri Sep 17, 2004 3:37 pm    Post subject: Reply with quote

OK. Let's start with a stupid question...are you sure that the headlamp switch is not set to have the interior lights on? I'm not trying to insult anyones intelligence...just looking at the simplest solution first. Mr. Green

The door jamb switches work by grounding the circuit when the door is opened. Since they are wired in parallel any one of the doors opening would turn on the lights. You can see the wiring diagram here (that FSM is for a 2000, but it's exactly the same as what's in my 97 FSM). Goto "8W-44 INTERIOR LIGHTING" then just scroll down to page 8W-44 8.

What I would do is go after each switch with an Ohm meter (***battery disconnected, of course!!!***) and look for continuity.

HTH

Steve
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