1999 Lexus ES300, Battery Goes Dead

This 1999 Lexus ES300 was sent to me because that battery would go dead after several days of sitting. I checked with the customer to make sure he had the radio code of needed. Thankfully in the end we did not have to have it. Next, I connected my multimeter to the engine and to … Continue reading “1999 Lexus ES300, Battery Goes Dead”

2002 GMC Sierra, Erratic Charging Condition, Battery Goes Dead

This 2002 GMC Sierra came in with the complaint that the battery had gone dead and that the voltmeter was reading low voltage at times. I opened the hood and the problem was quite evident to me but I decided to do some testing anyways. The following picture shows 14.32 volts at the alternator output … Continue reading “2002 GMC Sierra, Erratic Charging Condition, Battery Goes Dead”

2001 Pontiac Grand Am, Battery Goes Dead, Key Will Not Turn Off

This 2001 Pontiac Grand Am came in with the complaint that the battery would go dead overnight. Well no surprise, basic inspection found that the warning lights on the left side of the instrument cluster stayed on even with the key off. Further inspection found that the key was not turning all of the way … Continue reading “2001 Pontiac Grand Am, Battery Goes Dead, Key Will Not Turn Off”

1999 Lexus ES 300, Cooling Fans Stay On

This 1999 Lexus came in with the complaint that the engine cooling fans would stay on even after the key was turned off. The customer stated that they stayed on for an hour or more and she had to disconnect the battery to keep it from going dead. I figure that there was a relay … Continue reading “1999 Lexus ES 300, Cooling Fans Stay On”

1998 Chevrolet Lumina, Battery Goes Dead Again

This 1998 Chevrolet Lumina had been in a few weeks back for a complaint of the battery going dead. I had located and replaced a faulty driver’s side power door lock switch. The customer called and stated that the battery had gone dead again and wanted to know if I would look at it. I … Continue reading “1998 Chevrolet Lumina, Battery Goes Dead Again”

1998 Chevrolet Lumina, Battery Goes Dead

This 1998 Chevrolet Lumina came in with the complaint that the battery will go dead after about 2 days of sitting. I checked and sure enough there was a .5 amp drain on the system. I had also noticed while moving the car around and locking the car up for the night that the power … Continue reading “1998 Chevrolet Lumina, Battery Goes Dead”

2005 Chevrolet Impala Battery Goes Dead

This 2005 Chevrolet Impala came in due to a battery drain condition. I checked and sure enough the was a 2.25 amp drain on the system at all times. In researching I found something interesting about the Tech 2 and monitoring sleep and wake modes. I hooked the Tech 2 up and went into the … Continue reading “2005 Chevrolet Impala Battery Goes Dead”

2002 Chevrolet Astro Van, Battery Went Dead

2002 Chevrolet Astro Van was referred to me by  two different shops because the battery would go dead quickly and at one of the shops the battery got very hot and the sub harness from the brake proportioning valve switch caught on fire. The battery had been replaced, the master cylinder was replaced and unfortunately … Continue reading “2002 Chevrolet Astro Van, Battery Went Dead”

2002 Chevrolet Silverado Battery Goes Dead

The customer brought this 2002 Chevrolet Silverado 2500HD, with a 6.6 liter diesel engine in, with the complaint that the batteries go dead and is slow cranking sometimes. He had replaced the batteries and the problem got better but is now starting to happen more often. The batteries on a dual battery system have to … Continue reading “2002 Chevrolet Silverado Battery Goes Dead”

1991 Ford E150 Battery Goes Dead Overnight

This 1991 Ford E150 van came in with the complaint that the battery will go dead overnight unless the customer disconnects the battery or leaves a battery charger hooked to the battery. The first thing I had to do was to check for a battery drain. There are several ways to do this and I … Continue reading “1991 Ford E150 Battery Goes Dead Overnight”