For ALS operation/config settings, see

Some installers use trunk-opener "throttle kicker" solenoids (often from VW vans), notably those with 10..30A supply current overheat if operated for longer than a few seconds (say >5 seconds each time, without a similarly long cooling period).

Eg an installed solenoid worked for years, with most rally drivers on most rally tracks,

kicker of the throttle kicker solenoid



Layout example: RC and BAV99 at the top right (otherwise unused part of an internal-SD adapter circuit).

Only 4 added components with BAV99 dual diode: can be easily built on small proto PCB. (the 5th component, the TO220 NFET has direct wires, and is bolted to the heatsink anyway)