Good Method to Add Wiring For Add-Ons

Do you have a pic of exact same part of schematic that @SpeedThrills posted? Just trying to verify that his pic is big factory schematics.
mopardude62 said
If you see the voltage limiter in the upper right, follow it out to the left and down through the bulb, through junction CE2 (the bulkhead) and down to the brake switch.

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