Dodge Durango Forum II

While it would be possible to do this...

Big Al - 98 IB 4x4 5.2L w 3.55 [NC]
al-east@earthlink.net

(although it'd be a bit more involved than just a simply jumper - which would cause both to be on "all" the time) ,in the 9007 type bulb "both" elements are in the single bulb. While you could probably get away with having both elements in an OEM bulb on at the same time, if you're using high-output aftermarket bulbs, having them both on at the same time would probably burn out the bulb very quickly! There's also the possibilty the fuses and/or wiring wouldn't be able to handle the larger load of both elements being on at the same time?

Why? Well, as I recall, the OEM 9007 bulbs are only 55/35W (for a combined 90 watts) while the typical high-output aftermarket bulb is 100/80W (for a combined 180 watts.) There are "lots" of owners out there running the 100/80W high-output bulbs with no problems; which means the combined 90W draw of an OEM bulb running both elements at the saem time would most likely be OK. But the combined 180W draw of a high-output bulb running both elements at once would be twice the load of a dual-on OEM bulb and over 3 times the load the system was actually designed for! Since the safety margin designed into most electrical systems is only 150% of the "expected" load, I personally wouldn't want to try pushing it to the plus 300% such a setup would do!

Fri Feb 28