Headlights in the wet

[4bye4]

"Also Ive been told driving with the lights on give you negitive charging to a certain extent,
maybe ET could shine some light on that comment. Maybe more old school thinking"
TD I've had a fair bit to do with parasitic loads on motors (a parasitic load is anything that does not have somthing to do with the running of the engine - fridges,spotlights etc.)
Anyway a vehicle should be able to run and charge with a at least all the standard equipment on. That is you should be able to charge the battery driving along with the headlights on high beam and the air con on and the radio going. If you have other equipment added, such as fridges and light bars you may have to consider upgrading your alternator. Anyway the vehicle should be able to run all day every day with the lights on and still charge the battery and operate other standard features.
Not trying to steal ET's thunder BTW, just my opinion.