1. Right Headlamp (Type = 9004) | 5. Fuse Box |
2. Dimmer Switch | 6. Main Fuse |
3. Passing Switch | 7. Battery |
4. Light Switch | 8. Left Headlamp |
9007 type bulbs do not work with this plug configuration, even though the plugs are the same, they are switched differenty. If you want more Low/High beam wattage, a better 9004 bulb can be found with higher ratings. OEM if 45Watt low, and 65Watt high. There are replacement 9004 bulbs with 55/75 ratings, and higher.
There are now five or more different 9004 bulbs avaialble:
OEM (Yellowish tone), Crystal Blue (Whitish/Green), All Weather, Hyper
(HIB) White, and the Blue Vision.
OEM bulbs vary in wattage with MFG.