You need to pull apart the connector and switch the side the purple is on. All the switch is doing is completing the circuit. I know I had to run the black to the ground as well.
Page 3 of this thread at Ultimate Yota has more info. ARB Twin Compressor in a Tool Box
If you get a "hosting"...
Black and Purple (from the compressor) are all that is required for the switch to work. If you want it illuminated, then you will need to wire that up.
I have since moved my compressor into my engine bay, but still use the same switch setup. Soon I will have an in-cab switch, but this is...
Love them! I have had this set on my LX for 3 years and I've had two or 3 sets on my 4runner for years and years. I did not notice a difference going between C and E on my 4runner back in the day, even though everyone guaranteed I would.
1998 TOYOTA 4RUNNER SR5 4X4 V6 W/ 221,700 MILES
• 285/75R16 (~33 x 11-1/2) BFGOODRICH ALL TERRAIN KO2 1 YEAR OLD W/ 10K MILES. FULL SIZE SPARE
• NEW TIMING BELT/WATER PUMP/RADIATOR/CONDENSER/DRIER/FAN CLUTCH, ETC @212K MILES
• RUNS AND DRIVES GREAT, IT HAS BEEN MY...
Did my 4Runner and loved it. I custom color matched and that has faded, would NOT do that again, but overall I am happy with it.
4Runner needed paint badly before I rolled it, so it fit the bill nicely to hide some of the imperfections from the repairs. Didn't hide everything, but I was happy...