dead battery , again - Automotive Wiring and Electrical


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stcigars
New User

Feb 14, 2016, 6:39 PM

Post #1 of 4 (1379 views)

dead battery , again	Sign In

2000 /ford /mercury /sable / v-6 s engine code
once or twice now car was slow cranking battery was very old .put in new battery everythig was good for a few months. same problem slow cranking then a few days later dead battery. battery is not even a year old . I thought maybe since alt is origanal I'LL put in a rebuilt one. (maybe diode is failing) when I went to connect battery cable I noticed switch lights (window,door locks.dash light switches) were on yet light switch was off, car does have auto light function .even with head light switch disconnected switch lights don't go off . maybe a relay or switch in auto light circut ? where can I get a good print and device location (relays,light sencers,light amp mod excetera)

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Feb 14, 2016, 7:05 PM

Post #2 of 4 (1374 views)

Re: dead battery , again	Sign In

That car has a Lighting Control module. You will need a professional scan tool to be able to diagnose this.

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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

stcigars
New User

Feb 17, 2016, 5:35 AM

Post #3 of 4 (1321 views)

Re: dead battery , again	Sign In

I have two questions .what type of scaner ,where can I get one. And when you change out a p.c.m.how do you reset anti theft system .

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Feb 17, 2016, 5:39 AM

Post #4 of 4 (1319 views)

Re: dead battery , again	Sign In

To do either of those things you will need a professional level scan tool. They start at about $5,000 so you will likely need to have a shop do it for you.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

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