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Mercury Ignition Troubleshooting Reference Chart
Year HP Trigger Cranking Min. DVA Chg. Coil Cranking  Min. DVA IGN. To COIL CRANKING Min. DVA
72-74 4-5\20 N/A 20v+HS 180v+LS 180v
75-78 4-20 5.0v 180v+ 180v
75-76 20 (200) 5.0 20v+HS 180v+LS 180v
78-UP 6-40 5.0 20v+HS 180v+LS 180v
94-UP 15/20/25 2Cyl 5.0 20v+HS 180v+LS 150v
70-71 40 5.0 20v+HS 170v+LS 170v
75-78 40 (402) 5.0 20v+HS 180v+LS 180v
75 50-65 N/A 130V+ 130v
68-76 3Cyl   4Cyl   6Cyl 2.5 NONE 120v at Idle
76-87 3Cyl 5.0 20v+HS 180v+LS 180v
86-UP 3Cyl 5.0 20v+HS 180v+LS 150v
91-95 50/55/60 45jet 3cyl 5.0 20v+HS 180v+LS 150v
96-UP 3cyl 5.0 20v+HS 180v+LS 150v
94-UP 75/90/65 jet 3cyl 5.0 20v+HS 180v+LS 150v
76-87 4cyl 5.0 20v+HS 180v+LS 180v
88-94 4cyl 5.0 20v+HS 180v+LS 180v
95-UP 100/115/125 4cyl 5.0 20v+HS 180v+LS 180v
95-96 120 sport jet 4cyl 5.0 20v+HS 180v+LS 150v
77-UP 6cyl 9-15amp 5.0 20v+HS 180v+LS 180v
90-UP 6cyl 16amp 5.0 20v+HS 180v+LS 150v
90-95 6cyl 40amp 5.0 20v+HS 180v+LS 150v
96-UP 6cyl 40amp 5.0 20v+HS 180v+LS 150v
97-UP 175sport jet 16 amp 5.0 20v+HS 180v+LS 150v

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