always solder! use a quality solder and you will be amazed at how strong it is. Buy it from Alberts or West Side

practise on a few different wires.

use the same guage wire as the one on the car.

Do one wire at a time.

Tripple check all connections

use heat shrink to insulate, no tape.

Work slowly do nut rush this!

you will be fine man

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Got LAG.......dont worry BOOST is worth waiting for