Troubleshooting electrically controlled hydraulic systems. Youll read fullsystem voltage in a highresistance circuit unless the circuit is tested under load. Troubleshooting and preventive maintenance of hydraulic. This textworkbook is designed for use in the electrical industry, electrical training programs, and related fields. By dan sullivan, contributing editor september 28, 2010. When troubleshooting automotive electrical systems, its important to use a logical process of deductive reasoning to solve the problem. Automotive wiring and electrical systems workbench series. A battery is a storage unit that can store and produce electrical energy. Troubleshooting electricalelectronic systems atp learning. First things first flip charts veejer enterprises, inc.
How to troubleshoot electrical systems construction. S06002 create a repair order for your assigned vehicles to document. Sixstep troubleshooting plan body electrical diagnosis course l652 5 this is the first step in any diagnostic process. Ford f150 electrical problems, repair how tos fordtrucks. The gfci outlet is the first outlet in a string of outlets, all on the same branch circuit from one of the circuit breakers in your main panel. How to find an electrical short on most any car or truck. View and download lance truck camper owners manual online. Systems with relief valves the purposes of a relief valve in a pressure compensating pump system. For more information, refer to the holt cat electrical safety. Many homeowners are capable of replacing light switches, installing ceiling fans and other basic wiring jobs, but safety experts warn doityourselfers against dabbling in most elements of household. Sep 28, 2010 the digital voltmeter is the best basic tool for electrical troubleshooting, because its calibrated and exact. Troubleshooting and repairing commercial electrical equipment is the first work that offers a practical approach to diagnosing and repairing commercialindustrial electrical equipment covering.
Weak headlights, starter issues, check engine lights and the smell of burning plastic are. Electronic ignition troubleshooting procedure when troubleshooting any electronic ignition system for no spark, follow these steps to help pinpoint the exact cause of the problem. At the hourly shop prices, it pays off to try to troubleshoot simple engine problems. Step 1 turn the ignition on engine off and, using either a voltmeter or a test light, test for battery voltage available at the positive. Electrical troubleshooting 1 before using a voltmeter on electrical components, do the following. How to diagnose car electrical problems by tracing voltage drops. Automotive wiring and electrical systems is the perfect book for wiring a hot rod from scratch, modifying muscle car electrical circuits for cooling fans andor power windows, or adding a big stereo and other conveniences to modern performance cars.
Troubleshooting your tbi fuel injection system most of the problems encountered while installing your fuel injection system or after a time of operation are very simple. Oftentimes, these lights prove problematic in the warmer months when the trailer is used at a high frequency after sitting idle for the winter. It supplies all the electricity for the vehicle when the engine is running. Chapter 8 automotive electrical circuits and wiring seabee. The chevy silverado is a workhouse of a pickup truck. Free, online courses on electricity and basic auto electronics. Ac voltage source tb1 tb2 tb5 tb4 tb6 tb3 light as you can see in the diagram, there are several terminal blocks tb through which electrical power is routed to the light bulb. I a vehicles service manual is very helpful in locating the routing of circuits. A handy guide to troubleshooting common car electrical. For courses in automotive electrical systems and electronics, engine performance, and emissions testing. Diagnosis and troubleshooting of automotive electrical, electronic, and computer.
It can also trick you into replacing parts that are not bad. Automotive electrical, electrical system, automotive. Capitulo 2 automotive electrical circuits and wiring. Dec 18, 2009 diagnose electrical problems by chasing voltage drops, instead of the oldfashioned way checking continuity. Automotive wiring and electrical systems workbench series pdf. This course is the first in a series of two on electrical training for mobile mechanics.
How to troubleshoot the electrical system in a chevy. Steering diagnostics service manual trw automotive. Go through this quick primer on solving electrical problems in your automobile, to get an overview of the procedure. Automotive wiring and electrical systems is the perfect book for wiring a hot rod from scratch, modifying muscle car electrical circuits. Vehicle electrical troubleshooting shortcuts veejer. As an owner operator, its useful to know some quick, easy. Diagnostic tips for solving automotive electrical problems. Electric motor drive installation and troubleshooting. Electrical troubleshooting of a relay control circuit. How to diagnose and repair automotive electrical systems pdf. Electric motor drive installation and troubleshooting is designed for technicians in the field responsible for installing, programming, troubleshooting, and retrofitting electric motor drives. Diagnose electrical problems by chasing voltage drops, instead of the oldfashioned way checking continuity.
Automobile mechanical and electrical systems automotive technology. Chapter 8 automotive electrical circuits and wiring. The control circuit includes a magnetic switch, ignition switch, push button switch, and all the required wiring. To make your job easier and faster this manual has both the flow charts and test procedurescomments, each in their own section. Electric motor drive installation and troubleshooting atp. Use insulated gloves, tools, blankets, and barriers if required. Youll read full system voltage in a highresistance circuit unless the circuit is tested under load. Automotive electrical circuits and wiring 8 101 electrolyte changes with the amount of electrical charge. Disconnect the wiring from the switch, be sure to note wire location for proper replacement, and remove it from the electrical box.
Electrical power and control signals must be delivered to electrical devices reliably and safely. Introduction to electrically controlled systems full lecture. An electrician is troubleshooting a faulty light circuit, where the power source and light bulb are far removed from one another. The chevy silverado 1500 is the more passenger friendly version that benefited from a redesign in 2007.
Trucker tips for diesel engine troubleshooting and. This manual has several features which make it easy to use online. The automotive electrical system contains five electrical circuits. First things first is an auto truck electrical system troubleshooting flip chart that focuses attention on possible problems in the primary electrical system, consisting of battery condition, major ground connections and generator alternator charging system performance. The more connections and wiring a vehicle has, the more vulnera ble the electrical system is to voltage. Troubleshooting is the act of taking logical steps to solve a problem. Diagnosing voltage drop electrical automotive troubleshooting. As an owner operator, its useful to know some quick, easy fixes.
Im betting if you didnt have the first six chapters under your belt, then maybe it would be. Electrical system found on cars and trucks common electrical symbols. Diagnosis and troubleshooting of automotive electrical. Two computer technicians are called to troubleshoot malfunctioning computer systems. Mobile equipment electrical troubleshooting cd industrial. If you are having trouble with your truck engine, diesel engine troubleshooting tips can be handy to get you off the side of the road and to a shop. The chevy silverado 1500 is the more passenger friendly version that benefited. Electrical troubleshooting electrical wiring and circuit breakers household electricity fix a blown fuse or reset a circuit breaker blowing a fuse or tripping a circuit breaker is a relatively common issue, especially if you like to vacuum, listen to music and microwave popcorn at the same time.
Section 4 sixstep troubleshooting plan learning objectives. When we work on cars built in the last 30 years we find common principles in play, cars from the 60s could only dream of. Do it all with just a dmm and current clamp the right way, and the best way that. The electrical systems on equipment used by the navy are designed to perform a variety of functions. Sixstep troubleshooting plan body electrical diagnosis course l652 3. First things first is an autotruck electrical system troubleshooting flip chart that focuses attention on possible problems in the primary electrical system, consisting of. Once you have a good understanding of what the complaint is, choose the flow chart that best matches the symptoms described. The digital voltmeter is the best basic tool for electrical troubleshooting, because its. But remember, the digital voltmeter cant detect a highresistance fault if the circuit is open. The electrical box needs to be dropped from the template and switch cover removed. A fully charged battery will have a specific gravity of 1. Automotive troubleshooting secrets have unlimited common auto repair fixes, repair video, troubleshooting, wiring diagrams emailed to you 247 by experienced ats mechanics. Volvo vehicle management system vectro ii, ecu service manual. Tips for troubleshooting electric motors understanding the nuances of various motor types is essential when servicing or installing such units b y d e n n i s b u s h a fter more than 100 years of use, with.
Electrical learn how the electrical system works on your rv. This is a basic course, without any prerequisites, that. Learners will see how electricity is used for power and control in industrial. There are three basic types of batteries used in heavy duty electrical systems. How to diagnose and repair automotive electrical systems motorbooks workshop. The howtoonthe vehicle electrical troubleshooting and repair book. This tap covers truck and trailer wiring and connector practice to assist vehicle operators and designers assess the suitability of proposed designs. Electrical systems 1 heavyduty electrical systems basics todays basic heavyduty electrical system consists of batteries, a starting motor, an alternator, and the control circuit. Ill cover other items related to auto electrical systems including basic types of circuits and their use in the modern day automobile. For the customer, information about the operation on all the electrical systems on the vehicle can be found in the owners manual. Troubleshooting and repairing commercial electrical equipment. When you are handed a repair order with a customers complaint on it, there are three things. Conduct a hazard assessment and follow approved safe work practices. Steering diagnostics service manual chart your way to easy steering trw automotive commercial steering systems.
Measuring voltage is the most frequently performed electrical system diagnostic test. Todays vehicles have multiple relays installed in their electrical systems. In this edition of the popular motor age webinar series, after hours, technical editor pete meier welcomes electrical testing expert joe glassford of. Huge numbers of pdf documents on the electrical system. Troubleshooting and preventive maintenance of hydraulic systems. Including mike allens physics 101 introduction to ohms law. If your check engine light is on you more than likely have a hard fault meaning something is grounded out, unplugged, operating out of range or has gone bad. With use, they gradually deteriorate and become less capable of performing their important task. Luckily, the electrical systems of all silverados hit more than they miss. Walk around the truck, looking for anything that may be an obvious cause of the problem. Amatrols acdc electrical training system t7017a explores the fundamental concepts of ac and dc electrical systems.
About 70% of the time is spent working, handson, at a troubleshooting station with motor control circuits operating at a safe, low level of 24 volts. There are three different selector switches used in the manufacture of the air conditioner. Jun 26, 2015 troubleshooting is the act of taking logical steps to solve a problem. Troubleshooting electricalelectronic systems covers all aspects of troubleshooting electrical and electronic systems. Kenworth t120, t270, t370, t440, t470, t680, t800, t880, w800 service manuals, spare parts catalog, electrical wiring diagrams free download pdf. Do it all with just a dmm and current clamp the right way, and the best way that works everytime. The digital voltmeter is the best basic tool for electrical troubleshooting, because its calibrated and exact. How to troubleshoot electrical systems construction equipment. Based upon these symptoms, you could make a conclusion as to the type of electrical problem that the circuit has. Heavy vehicle electrical wiring australian trucking association. Fixing electrical problems is a skill that every car owner must possess.
Safety is always an important consideration when working on automotive electrical systems. This book details the various tools, such as multimeters and test lights, that can be used to evaluate and troubleshoot any vehicles electrical system. Wear appropriate protective clothing and equipment. Disconnect the wiring from the switch, be sure to note wire location for proper. Source the root of your f150s electrical problems with our diagnostics and guides here. Mar 23, 2012 troubleshooting electrically controlled hydraulic systems. In reality, its no more difficult than troubleshooting a problem of any kind. Weak headlights, starter issues, check engine lights and the smell of burning plastic are all symptoms of electrical issues in your truck.
Chances are, you wont be an expert in repairing these devices, but you can take some practical steps to solve problems and help get your systems operational again in a timely. The 2500hd and 3500hd models are made for towing heavy loads. Filler cap these are lead acid batteries with a high degree of a base element. Section 4 sixstep troubleshooting plan autoshop 101. This handy guide covers the steps to take when testing and troubleshooting trailer lights. As an industrial electrician, youll encounter many complex electrical circuits and drives that will break down as they age. After completing mobile equipment electrical troubleshooting, you can take our level two course, sensor electronics. This industryleading resource begins with electric motor principles, power requirements, and control methods and focuses on the safe operation. Batteries must be fully charged, charging systems fully operational, the ignition system is fully operational and the integrity of the engine is intact. How to diagnose car electrical problems by tracing voltage drops diagnose electrical problems by chasing voltage drops, instead of the oldfashioned way checking continuity. In the case of automotive electronics troubleshooting, this is regarded as black magic. Jumping to conclusions can be expensive and time consuming.
Troubleshooting is a process that starts at the source of input and ends at the output. A handy guide to troubleshooting common car electrical problems. This textworkbook is designed for use in the electrical industry, electrical training. How to diagnose car electrical problems by tracing voltage. Volvo truck workshop manual, wiring diagrams, fault codes. Automotive electrical circuits and wiring 5 101 it must help the charging system provide electricity when current demands are above the output limit of the charging system.
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