Use a Bussman Fuse tap;
Tap into fuse 13 (switched 12V) which is located behind that trap door under the ASC OFF button;
Wire it through the A pillar like 2Snail said.

Tap into fuse 13 (switched 12V) which is located behind that trap door under the ASC OFF button;

Wire it through the A pillar like 2Snail said.