Straight from car battery pos + terminal to pin 85 and 30 (linked together) on relay . pin 86 to button . pin 87 to solenoid. connect solenoid out terminal to other button terminal and then to ground. Job done
Use a crimp ring connector to pos battery terminal so you can screw it on tight.
Whatever you do, don’t buggerise it… lol
Not sure if your using your own kit, but if your building it yourself, don’t forget to use a momentary switch / button or the constant feed will fry the solenoid…
good luck.