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_A Simple System that Locates Electrical Trouble Quickly, Efficiently,
Unfailingly_
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[Illustration: AMBU Trouble Shooter System~]
Makes starting, lighting, ignition and battery repair work definite,
accurate, more profitable. Eliminates all guesswork, groping in the
dark, trusting to luck methods. Provides the necessary and essential
testing equipment for auto electric repair in one compact, portable
efficient system.
[Illustration]