1972 Delay Relay
With ignition on, check for 12 volts at tan lead to relay. With 12 volts applied at terminal with tan lead, ground relay terminal with black lead, if after 26 seconds vacuum advance solenoid does not energize, replace delay relay.
With ignition on, check for 12 volts at tan lead to relay. With 12 volts applied at terminal with tan lead, ground relay terminal with black lead, if after 26 seconds vacuum advance solenoid does not energize, replace delay relay.