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Lights remain unaffected, what does this indicate concerning Starter motor?

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+2 votes
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in Automotive Engine Design by (137k points)
Lights remain unaffected, what does this indicate concerning Starter motor?

(a) Weak battery

(b) Loose connection

(c) Open circuit in the field winding

(d) Defective starter motor

The question was asked in an international level competition.

Question is from Testing the Starting System topic in division Starting System of Automotive Engine Design

1 Answer

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Best answer
Right option is (c) Open circuit in the field winding

For explanation: This problem is due to the open circuit, the wiring of every component has to be tested individually and the defective component has to be replaced.

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