2007 Chevrolet Tahoe, No Crank Condition

This 2007 Chevrolet Tahoe was towed in with the complaint that the engine stopped running after running over a bump in the road. I checked codes and data and found codes B1370, B1380, B1395, B1517, B1529 and P0615 stored amongst other but these all related to the no crank condition. They are generally associated with … Continue reading “2007 Chevrolet Tahoe, No Crank Condition”

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”

2005 GMC Sierra, Lights Flicker or Pulsate

This 2005 GMC Sierra came in with the complaint that when the vehicle is started cold, the headlights, dash lights and dome light will flicker or pulsate. As the system runs the problem diminishes but never goes fully away. This is a common complaint on many Cadillac, Chevrolet and GMC full sized trucks and suv’s. … Continue reading “2005 GMC Sierra, Lights Flicker or Pulsate”

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”

2002 Chevrolet Suburban, Changing The Alternator

This 2002 Chevrolet Suburban came in with the battery light on and the system voltage at 12 volts. In talking with the customer, I found out that the battery light had been coming on and going off for a bout a week. Yesterday the battery went dead while driving. I was pretty sure just from … Continue reading “2002 Chevrolet Suburban, Changing The Alternator”

Replacing Worn Brushes In A Delphi Alternator

This alternator was removed from a 2002 Chevrolet Suburban. To replace the brushes in this alternator the rear plastic cover first has to be removed. There are several slots around the exterior surface of the black plastic cover. Using a small screwdriver inserted into the slot, pry out on the lower end to release the … Continue reading “Replacing Worn Brushes In A Delphi Alternator”

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”

2004 Chevrolet Tahoe Multiple Problems, No Communication

This 2004 Chevrolet Tahoe came in with a multitude of complaints. Some of the complaints were that it might not start, the power windows would stop working, the door locks would cycle, the radio would stop working, the instrument cluster gauges would stop working and  multiple warning lights would come on. From a technical perspective … Continue reading “2004 Chevrolet Tahoe Multiple Problems, No Communication”

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”