Usual voltage 12 V is used and power should be at 21 W. You will certainly switch on fog light in Jeep Wrangler at foggy weather. Recommended and only possible type for Jeep vehicles is H10. In all 1998 models having P00 motor company installed unusual shape of fog-light. If you want to change whole lamp in Wrangler 4.0 of 2006 production year, look at optimal dimensions. Purchase PK22s kind of base if you want to change Wrangler fog lamps. Usually you can’t install non original fog lights in 2.8 motor cars made by Jeep.
Producers of light bulbs now offer for Jeep Wrangler different kinds of devices. In Wrangler reflecting panels might be darkened with lamps of more than 12 V. Lots of drivers believe that it’s only H3 type of bulb which is important for 2006 year cars, but it’s wrong. So, in output you can get more than 21 W of power but keeping the base at BA15S.
The clip in Wrangler in type H3 is quite delicate. Purchase only top-grade optical devices for Jeep Wrangler 2.8 and take advantage on road. On cover of bulbs might be written more than 42 W capacity, but base should be clearly PY20d. You must prudently place 12 V bulb into Jeep’s fog optics.