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Late-Model Vehicles Place High Demands On Batteries
7/9/2014
Late-model vehicles are loaded with electronics that place increased demands on the battery and charging system. more
Ignition Wires Are Designed To Last
2/24/2014
Aftermarket spark plug wire sets are available in a range of styles and prices. more
ASE P2 TEST PRIMER: Electrical/Electronic Systems
10/18/2013
All passenger car and light truck electrical systems operate on 12 volts Direct Current (DC) with the body or chassis providing the negative electrical ground. more
Do car batteries require any maintenance?
8/27/2013
Acid should NEVER be added to a battery that has been in service because it contains all the acid it needs. Adding additional acid will not rejuvenate an aging or sulfated battery. more
Starters And Alternators: Misdiagnosis Can Lead To Unnecessary Replacement
7/30/2013
Normal driving and charging loads won't burn out the diodes, but prolonged higher-than-normal charging loads can significantly shorten their life. more
Lighting The Way: LEDs Are Replacing Conventional Bulbs
2/22/2013
The problem with conventional incandescent bulbs and halogen headlights is that they use too much current for the light they produce and they give off a lot of waste heat. more
The 'Other' Modules
9/10/2012
You've heard of ECMs, ECUs and BCMs. What about the others? more
Rotating Electric In Older Vehicles Makes For Sales Opportunities
8/1/2012
Higher electrical demands on the charging systems in most late-model vehicles combined with high underhood temperatures has helped increase heat-related alternator failures. more
High-Tech Lighting Tips
2/24/2014
An upgrade option for motorists who do a lot of nighttime driving or applications where replacing the headlamps is difficult would be "long life" replacement bulbs. more
Today's Electronics Place High Loads On Batteries
12/16/2013
Today's electronics-laden vehicles place high loads on the battery, even when the key is off. more
Which type of replacement spark plugs should you recommend?
8/27/2013
The type of spark plug that works best in a given application depends in part on the design of the ignition system. more
Rotating Electric Has Evolved
7/30/2013
When dealing with rotating electrical warranty issues, remember that the reliability of any wet-cell automotive battery rapidly declines after about four or five years of service. more
Spark Plugs: Replace With Same Or Better
7/30/2013
Always follow the spark plug supplier's application listings because their engineers know which plugs will work best in which engines. If you don't see a listing for a particular engine application, there is probably a reason why. more
Ignition Wires Are Made To Last
2/22/2013
Spark plug wire sets do not have a factory recommended service interval and are usually replaced on an "as needed" basis. Even so, many technicians recommend replacing high-mileage spark plug wire sets for preventive maintenance. more
20th Annual Technical Forum: Batteries
9/6/2012
Q: What’s the difference between a regular car battery and an AGM car battery? A. A conventional 12-volt lead acid car battery contains liquid electrolyte (sulfuric acid) between the lead cell plates while an ... more














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