1994 Chevrolet C3500, Replacing A Damaged Fusible Link

This 1994 Chevrolet C3500 came in with a ton of problems. In the process of wrapping things up I wanted to show how to replace a damaged fusible link. First of all so many people think that the white (sometimes black) plastic piece is the fusible link. It is not. The fusible link is the … Continue reading “1994 Chevrolet C3500, Replacing A Damaged Fusible Link”

2003 Chevrolet Silverado, Changing The Battery

This 2003 Chevrolet Silverado happens to be my personal vehicle and today I decided to test the battery as cool weather is upon us in South Carolina. The battery failed a load test as expected. I have heard the cranking sound slightly off key for the past few weeks. Yes, I can detect/hear a weak … Continue reading “2003 Chevrolet Silverado, Changing The Battery”

2005 Chevrolet Tahoe, Multiple Complaints, Communication Faults

This 2005 Chevrolet Tahoe came in with multiple complaints. Radiator cooling fans on with key off,  dash warning lights on, gauges not working, door locks cycling, power windows not working and of course the battery will go dead if left sitting for any length of time. I had checked this Tahoe out a few weeks … Continue reading “2005 Chevrolet Tahoe, Multiple Complaints, Communication Faults”

1999 Chevrolet Suburban, Erratic Speedometer Caused by Burnt Battery Terminal

This 1999 Chevrolet Suburban came in with the complaint of an erratic speedometer. I have seen this problem before, so I went straight to the positive battery cable connections. This is what I found. At first the cables look a little corroded but not too bad. A closer look shows heavy corrosion on the terminal … Continue reading “1999 Chevrolet Suburban, Erratic Speedometer Caused by Burnt Battery Terminal”

2002 GMC Sierra, Installing a Fused Battery Lead

This 2002 GMC Sierra came in with charging system complaints that I showed the repair for in an earlier post. Now I want to show how the whole situation could have been avoided if the installer had followed simple instructions. To see that repair please click here. If you recall the owner had installed electric … Continue reading “2002 GMC Sierra, Installing a Fused Battery Lead”

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”

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”

2000 Chevrolet C3500 Intermitent Battery Drain

2000 Chevrolet C3500 pickup with intermittent battery drain. Installed amp meter in between battery negative post and negative battery cable. A test light can be substituted if needed but not really recommended. Let vehicle sit for about 45 minutes to ensure all modules had gone to sleep and a .85 amp drain remained. Removed all … Continue reading “2000 Chevrolet C3500 Intermitent Battery Drain”