Testing a car or truck battery health can be done a few ways with most using a multi-meter to check the voltage. If more information is needed on the state of a 12-volt automotive battery, testers can be used which give much more information. One such unit is the TT TOPDON ArtiBattery 101 which can… Read More: Review: TT TOPDON ArtiBattery 101 Digital Automotive Battery Analyzer Tester »
2000 Chevy GMC 5.3L Fuel Pump Circuit HPower starts at the ECM B fuse, a 20-amp in the underhood junction block that’s hot at all times. It feeds pin 30 of the fuel pump relay. The relay’s coil has two sides: one goes to ground (the black wire out terminal F7), and the other —… Read More: 2000 Chevy GMC 5.3L Fuel Pump PSI Wiring Diagrams Fuse… »
A few years ago, I had a 2000 Dodge Ram truck that was not regulating the voltage correctly and overcharging the battery. Having worked on many older 70’s, 80’s, 90s Dodges in the past at first, I thought it was no big deal just needed to swap out the external voltage regulator. To my surprise,… Read More: How to Build an External Voltage Regulator for Dodge, Jeep,… »
A bad Body Control Module (BCM) can have several symptoms related to electrical problems in a vehicle. This includes any of the components that the BCM controls and manages such as the radio, electric windows, windshield wipers, and more. What is a Body Control Module? The body control module (BCM) is a computer that monitors… Read More: Symptoms of a Bad Body Control Module (BCM) »
Recently a friend bought a 2012 Toyota Corolla that had the ESC (Electronic Stability Control) light on and would not shut off. The ESC light is a dashboard light with a symbol of a car with wavy lines under it. After reading online below is what I found so far with this problem and will… Read More: Toyota Corolla ESC (Car with Wavy Lines) Light Stays On… »
A friend of mine who has a 2010 Toyota Camry had a problem were the car ran but when the gas pedal was pressed nothing happened. I took My OBD2 code diagnostic tool over and it gave a P2118 which is the ETCS. First of all we still have the problem which may be a… Read More: 2010 Toyota Camry P2118 ETCS Electronic Throttle Control System Problem »
Among the different car manufacturers, vehicle models, and years, made before 1995 there are many different computerized engine control systems. Although there are significant differences between the various systems, when compared they are actually more alike than different. COMMON FEATURES Computers The comprehensive automotive computer is a small, highly reliable, solid-state digital computer protected inside… Read More: Automotive Computer Overview Vehicles Pre-1995: Part 1 »