Mercury Mariner Models 135 150 175 200 Service Manual, Page 94Get this manual

Mercury Mariner Models 135 150 175 200 Service Manual, Page 94

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IGNITION
Detonation Circuit Test
1 Disconnect WHITEBLUE lead from knock sensor and connect to RED male connector of Interface Module 91-854013 (contained in DMT 2000 Multimeter Kit 9185400