The circuit board at the top is The Power Board, H-PCB01 (from H-111) providing switched B+ and hot-at-all-times B+, as well as, B- the ground circuit. Just below the Power Board is the Wire Harness Troubleshooting Trainer, H-PCB06 (from H-116) which simulates all functions of a wiring harness in a vehicle. Connected along the bottom of the Wire Harness from left to right is the Brake Light Circuit (Lamp Board H-PCB02 from H-111), the Fuel Pump Relay and Fuel Pump (Relay Board H-PCB05 from H-115) in the middle and the Engine Cooling Fan (DC Motor Board H-PCB03 from H-113) on the right.

There are 114 troubleshooting electrical wiring problems and each begins with a typical customer's complaint centered around the fault in the wire harness electrical system. The Student Workbook H-SM06 guides a student through a series of DMM exercises in testing and measuring circuits in preparation for troubleshooting this mini-electrical system. The Instructor Guide H-I/G06 has all the instructions for inserting problems and the answers to all troubleshooting exercises.

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Return to Wire Harness Troubleshooting H-116

Return to Hands-On Troubleshooting Main Page

Return to Starter Kit H-111 Page to get started

Return to DC Motor Troubleshooting H-113 Page

Return to Relay Circuit Troubleshooting H-115 Page

Go to Home-Study 60 Lesson Course Page

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