Using spike Relays instead of a 2nd PCM

I want to add 1 more double solenoid and didn’t want to add an additional Pcm. Is it sill possible to use Spikes? Can I use both ? Is there any additional Hardware needed for spikes?

You can still use Spike Relays per rule R59, and you can actuate Pneumatic Solenoids with Relay Modules per rule R37.

ok thanks do you know about using in combination with a PCM?

Yes for this year you can use both.

ok thanks and i would wire it just like a spark motor controller but from the 20 amp side of pdb? and pwm from the pwm side of the rio?

You connect it to the Relay port on the Rio

ok thanks that makes sense thanks!

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