2004 Ford Expedition, P0305 Misfire Cylinder #5

This 2004 Ford Expedition came in with a code P0305, misfire cylinder #5. The customer already had the spark plugs changed out a few days ago, but his misfire was back. Time to get to cylinder #5 coil. I removed the two bolts that held the engine cover in place. After the top engine cover … Continue reading “2004 Ford Expedition, P0305 Misfire Cylinder #5”

1997 GMC C1500 Pickup, No Blower Part 3

Last of a three part post on Chevrolet and GMC full sized truck and suv blower issues. The best place to start testing is at the blower motor. Key on and blower set to high. Check for power on the purple wire and ground on the black wire. If power is missing on the purple … Continue reading “1997 GMC C1500 Pickup, No Blower Part 3”

1997 GMC C1500 Pickup, No Blower Part 2

Second part of a multi-part repair post on GM truck blower systems. The blower resistor and the blower relay are located on top of the heater case. Behind the glove box. After opening the glove box, there may be two retention systems present. Sometimes there are plastic cables that are attached to the sides of … Continue reading “1997 GMC C1500 Pickup, No Blower Part 2”

1997 GMC C1500 Pickup, No Blower Part 1

This 1997 GMC C1500 came in for some other a/c service and I asked the customer about the blower working. He said it worked fine and asked why I wanted to know. I told him of the endless requests that I get for information on the blower systems on these trucks and how I wanted … Continue reading “1997 GMC C1500 Pickup, No Blower Part 1”

2003 Chevrolet Trailblazer, Blower Not Working Any Speeds, Brake & ABS Lights On

This 2003 Chevrolet Trailblazer came in with the complaint that the blower would not work on any speed and that the Brake and ABS lights stay on. Since I have seen this problem before, I knew right where to go to test. then ignition switch. The first thing that has to be done is to … Continue reading “2003 Chevrolet Trailblazer, Blower Not Working Any Speeds, Brake & ABS Lights On”

2003 Chevrolet Impala, No Crank Condition

This 2003 Chevrolet Impala came in withe the complaint that it would not crank, starter would not work. It turned out to be a very simple problem. The car was purchased from a county auction and driven to my customers house. He started cleaning the vehicle up and had noticed a lot of extra wiring … Continue reading “2003 Chevrolet Impala, No Crank Condition”

General Motors Computer Hardware Requirements for Programming GM Vehicles

After an exhausting morning of trying to get my computer set up for TIS 2 Web Programming, this is what I found. Forget about using a modern computing system built for a consumer. At this time GM’s programming system will only work with 32 bit systems. GM recommends for successful programming to only use a … Continue reading “General Motors Computer Hardware Requirements for Programming GM Vehicles”

2000 Chevrolet Impala, No Crank Condition

This 2000 Chevrolet Impala came in with several complaints. The main complaint was that the engine would not crank over or run. Also the ABS lights would come on. The problem according to the customer had been intermittent and going on for about a year. Luckily, when the vehicle arrived the problem was still present. … Continue reading “2000 Chevrolet Impala, No Crank Condition”

1994 Dodge Pickup, No Charge Condition

This 1994 full sized Dodge pickup came in with a complaint of the battery going dead. A quick check showed a no charge condition. With the engine running, I checked for power on the main alternator power lead. Next I checked for power going to the field terminals. The inside one had power but the … Continue reading “1994 Dodge Pickup, No Charge Condition”

Changing Brushes in a Denso Alternator

To check and change the brush holder assembly on a Denso internal fan alternator, start by removing the nut on the insulator post. Then with the insulator removed proceed to removing the remaining nuts, one screw and ground strap. The extra screw and ground strap will not always be present. Note that this particular alternator … Continue reading “Changing Brushes in a Denso Alternator”