2015 NATC Scripts

Question 19 During an output test using the full-field method, a 100-ampere alternator with an integral regulator produces 60 amperes. The cause of the low alternator output could be: A. a shorted diode in the alternator.

B. a broken brush lead wire in the alternator. C. an open circuit in the voltage regulator. D. a defective alternator capacitor.

Question 20 A vehicle with a no crank condition is being tested. When the battery and start terminals on the starter’s solenoid are connected with a jumper wire, the starter begins to crank the engine. Technician A says the starter solenoid may be bad. Technician B says the ignition switch may be bad. Who is right?

A. A only B. B only C. Both A and B D. Neither A nor B

2015 National Automotive Technology Competition Script 26