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Jumper wire Mazda CX-7 I

General Information 2 illustrations

Jumper wire

CAUTIONDo not connect a jumper wire from the power source line to a body ground. This may cause burning or other damage to wiring harnesses or electronic components.

Scheme 51

Scheme 51
Scheme 51
  1. A jumper wire is used to create a temporary circuit. Connect the jumper wire between the terminals of a circuit to bypass a switch.

Scheme 52

Scheme 52: Voltmeter
Scheme 52: Voltmeter
  1. The DC voltmeter is used to measure circuit voltage. A voltmeter with a range of 15 V or more is used by connecting the positive (+) probe (red lead wire) to the point where voltage will be measured and the negative (-) probe (black lead wire) to a body ground.