SPARK PLUG WIRING DIAGRAM

Ford 5 / 302 HO and 351W Firing Order | GTSparkplugs
Also remember that the position of the spark plug wires does not matter AS LONG AS THE ORDER IS MAINTAINED! If you need to rotate the cap for any reason don't worry about pulling the wires and rotating them around. Again this is OK as long as the firing order for the engine is [PDF]
ONAN IGNITION SYSTEM TROUBLESHOOTING
If you are getting no spark at the spark plugs, remove the plug wires and check for continuity. No continuity means a bad wire. Replace both of them. Verify the condenser is not grounded. Remove the condenser and check for continuity between the end of the wire and the mounting bracket of the condenser. You should read no continuity.
Free Vehicle Repair Guides & Auto Part Diagrams - AutoZone
Browse the excerpts below to find out how to access automotive repair guides through AutoZone Rewards. We also have Repair Guides for your vehicle, simply follow the previous link and enter your vehicle’s info. You can also browse excerpts by subcategory: