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Discussion Starter #1 (Edited)
Hi, I'm stumped.
2000 Taurus SES Vin U.
Bought it at 155,000 for $300.
Previous owner let it sit for 2 years.
Replaced fuel pump and Master Cylinder, cleaned MAF & IAC, added Sea Foam to gas a couple times, and ran well.
Tested the gas mileage on a trip, and it was getting factory milage, so SCORE!

NOW, over the next 2 years, and 20,000mi, the highway miles is barely more than the city was my only concern, until now. (PCV Valve? Was going to replace when all hell broke loose)

2 weeks ago, I left the key in ignition and drained the battery.
I did that twice that week. Had to get jump both times. (Bad memory week)

Last week my cruise control would turn off by itself now and then.

Yesterday I was at a store and it acted like the battery was drained.
Thought I must've killed the battery when I drained and jumped it twice the week before.

Bought a 650cca Wally World cheapo. No joy.
Didn't do anything.
Still acted like it was drained.

Tried jumping, nothing, same, acted like it was trying to start on a dead battery. (Even disconnected battery positive and tried starting with jumper cables to running truck-same. Acted like it was trying to start on a dead battery. Dash lights, and click, but no crank. )

Saw YouTube video saying that it was probably the starter.
OK, went to pick-n-pull, got starter (remanufactured ) from an 02 with 85,000mi.
Took home, installed.
Started right up.
Better than ever, actually.
STRONG!
Drove to restaurant in celebration, ate, started right up, went to same store it broke down in yesterday to use the bathroom , (damn Taco Bell!)
Went to leave, SAME ISSUE!
Acting like battery drained.
Even when I got out the jumper cables.

Saw smoke coming from the wiring to the new (sic) starter.
Smelled like wires over heating.

Ok. So what do you think?
Alternator?
I know I really need to find a multimeter here. I don't currently have one.
Obviously the wiring to the starter will need to be replaced.
Maybe I'll take the starter back too and get another. (13mo warranty for extra $7.)

(The previous post, someone said that it might be because one of the accessories is dragging on the S belt.
I do know that the air conditioning compressor is frozen, I had a place check it to see if they could get the air conditioning working last summer.
They said the compressor was frozen.

Think that it's dragging the belt now?
This all did start when the weather got hot here. (Went from spring low 70s to 97 for several days.
As a matter of fact, the days it wouldn't start was hot-ish)
Did some hot weather switch activate and start making the belt drag?

Thoughts?

** OK, I just got done pulling the serpentine belt off and tried cranking.
Same result.
Acted like the battery was drained.
Just to make sure the battery was good, like I thought it was, my roommate hooked it up to his battery analyzer/trickle charger.
Read that the battery was at 95%
So, Battery wiring?
I did smell burning wiring from the wires at the starter.

-stumped rabbit
 

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Battery cables. Even if the ends look OK there can be corrosion under the insulation especially at the battery terminals.

Battery quality is horrible these days. Within the last 15 years, I had a brand new Sears Diehard die hard within 3 days of purchase, and a AZ battery completely fail when it was a month old.

Pick up a cheap DMM at HF for a few $$.
 

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Discussion Starter #3
Battery cables. Even if the ends look OK there can be corrosion under the insulation especially at the battery terminals.

Battery quality is horrible these days. Within the last 15 years, I had a brand new Sears Diehard die hard within 3 days of purchase, and a AZ battery completely fail when it was a month old.

Pick up a cheap DMM at HF for a few $$.
I'll go to Pick-n-pull and pick up a positive cable.

Hopefully this is it.
 
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