Question about 1997 Cadillac DeVille

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Reset car said no charge. New battery purchased but car still states no charge. How do you reset computer?

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Disconnect the negative battery cable. or check Ur

Posted on Jul 23, 2013

Testimonial: "I disconnected the negative battery cable, but computer still says battery no charge, the battery is new"

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Posted on Jan 02, 2017

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2 Answers

I just put a new alternator on my 97 isuzu rodeo but it still draining the battery and stalling how do I reset the computer so it picks up the new alternator of is it something else


i bet you skipped step 1, in the book, FSM and all car repair books in print, 100 years now.
disconnect the battery neg lug first.!
oops, you blew the main fuses. (or blew up the new alt... sad huh)
cb 7 or cb3 fuses blown? CB means cab fuse.(dash box)
drains driving, i bet.
right.?
and the battery is not 13.3v to 15vdc running (good range)
bet 2:
and engine RPM is 800RPM or more at all times, right?
not 400.
the belt is not slipping or missing.
the connections are all tight
the battery cable lugs, are all clean, x4 ends. right?

no engine stated, size and number of cylinders.
as you may not know, diffr, engines sometimes have diffr ALT.
usa answer (for just 2 engines only , usa)
2.6L and 3.2 liter both have PCM generator gain control pin
and the PCM can be bad.
is the charge light glowing running, ?????

here is the proof the PCM does run the reg inside ALT.
called gen gain line.

25782645-zy5i2xuw3mfjw4tca3plar50-1-0.jpg you didnt blow EB17 main fuse that kills all .
there is the CB fuse , for alt.


25782645-zy5i2xuw3mfjw4tca3plar50-1-1.jpg

Jul 13, 2015 | Isuzu Cars & Trucks

1 Answer

2001 chevy malibu wont charge my battery. I put a new alternator in and new battery lights on dash come on but the tachometer and speedometer along with fuel and temp gauge drop to nothing and the car...


Check the battery charging state yourself with a multimeter. Using the voltage setting, check across the battery terminals. WIth vehicle running the charge voltage should be around 14 volts. With ignition off the battery should retain around 12.6 volts or over.

If these are the figures you are getting close to then you have no charging issue or battery issue. You need to then check the on-board computers. You will need to run an OBD2 scanner and pull up any fault codes.

Nov 03, 2012 | Cars & Trucks

1 Answer

Is there a reset button on a Merit Pioneer 10 scooter


You had better recheck your connections because the batteries are polarity reversed

Mar 20, 2017 | Cars & Trucks

1 Answer

Battery wont hold a charge. it takes a charge, i drove it around the block, kept it running in park and when i turned it off it wouldn't turn back on.


First, it can damage your alternator to try to charge a dead battery by just driving or running the car. The alternator is designed to maintain the state of charge already in a battery.
Old (pre mid 60's cars with generators could do that).
Have your battery charged and tested. if it checks out, then have the charging system in the car tested. On most newer Jeeps, the regulator is not in the alternator it is part of the computer. If the alternator checks as good but it is not charging, that may be why.
Hopefully you just need a new battery.

Jun 08, 2010 | 2000 Jeep Grand Cherokee

1 Answer

I ran my battery down and recharged it but the car still won't start and won't go into park...how do I reboot the computer, I was told that might be the problem.


remove the battery and put a fully charged new battery in there. The battery must be charged to allow the car to resent the pc. Removing the battery and then reinstalling a new one - fully charged will reset the pc as removing the negative side of the battery is what causes the car computer to reset.

You must have a good battery - push the brake and also shift into part. Otherwise - attempt to start it in neutral. Look for blockage in the shifter housing - pens - pencils and or coins can keep you out of park.
09af8d0.jpg.

Apr 08, 2010 | 1989 Dodge Dynasty

2 Answers

2004 bmw 545i dead battery had dealer install new battery now i have 2nd gear jerking with my autotransmission


LMAO take it back to the dealer and tell him to reset the ECM since he was stupid enough to onhook the battery and not reset it!

Jan 13, 2010 | 2004 BMW 5 Series

1 Answer

New battery but still acts dead - Does computer need to be reset?


do not suspect computer.
1 the new battery may not have been charged from the store so would need to be charged before use, charge new battery on a charging set and see if this resoves the problem. *or use slave leads and start from a second vehicle)
2 your alternator may not be charging the battery so after a while it will just die. use a volt meter and check that volage is increaseing to your battery when the engine is running.
if not suspect alterantor defective and may need replacement.

Nov 13, 2009 | 2005 Dodge Ram 1500

1 Answer

NONE OF THE ELECTRICAL WORKS IN THE CAR


Does anything at all work? Horns etc? Never assume that a batter is fully charged or for that matter, any good just because it is new. You will need to verify the charge state of the battery. A reasonably inexpensive load tester can be purchased from a variety of places for under $20. It is a tool you can use all your life. Assuming you do not have one, remove the battery and have it tested. Autozone performs this service free. TJ.

Nov 12, 2009 | 2000 Toyota ECHO

3 Answers

04 pontiac grand am battery light


Try disconnecting battery for about 10 mins. or have vehicle scanned and codes cleared

Jan 25, 2009 | 2004 Pontiac Grand Am

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