1970 Chevy Truck No Spark From Coil Wiring Diagram. To check out a wiring diagram initially you have to understand exactly what basic elements are included in a wiring diagram as well as which photographic icons are made use of to represent them. Excessive moisture on high tension wiring or spark plugs.

To check out a wiring diagram initially you have to understand exactly what basic elements are included in a wiring diagram as well as which photographic icons are made use of to represent them. Wiring diagrams for complete chassis truck. The usual elements in a wiring diagram are ground power supply cable and link result tools buttons resistors logic gateway lights and so on.

To test the ignition coil remove the cap cover and ohm across the 2 small wires coming out of the coil the reading should be low resistance 5 2 0 ohms.

There is a list of options with no spark including the coil cap rotor wires plugs and the ignition module that fires the coil. Ground according to wiring diagram all the 12 volt supplies are tied together and the wire should be pink. Faulty coil or condenser coil to distributor high tension wire not in place iaose connections or broken wire in low tension circuit improperly adjusted or faulty. Need wiring diagram for 1970 chevrolet 1979 c k 3500 question.