Relay guidance

Thread Starter

Danraabe

Joined Jan 3, 2021
1
I installed three gauges, an rpm switch, a solenoid, and a magnetic pickup on a fused 20 amp circuit in mt mini cooper. They are all on when the ignition switch is on except for the solenoid which is controlled by the rpm switch. Do i need one relay or two? Do i need to post a diagram?
 
Top