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2

I have a 2007 Lotus Elise. "Pre" 07, Lotus used H7. 07 and later, Lotus went to H7U. The U is ultraviolet "filtered." Previous poster (commenter) is wrong. The cheaper (and older) H7, put out tremendous ultraviolet light, damaging the headlight covers, degrading their clarity over time. Just do a Google search "2007 Lotus Elise headlight replacement" and ...


4

There are a few things that could be problems: Confirm that the bulbs are good. I've seen it happen more than once that one bulb burns out and you don't notice, then the second bulb burns out and that is when you notice. Check the fuses. On many cars the high and low beams are fused separately. Check, or listen, to determine if the relay controlling the ...


2

Perform a continuity test on your combination switch. Get a multimeter and service manual for your vehicle and test the contacts with the switch in different positions.


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I'd suggest doing some searches to see if there is a way to disable the DRLs on your truck. Failing that, the coil current on the relay for the new HiD lights might be low enough that you could get away with putting a variable resistor between the 7/12 V wire and ground and then connecting the HID relay to the wiper (the third, variable connection). The ...


3

The part you are looking for can be found in the aftermarket from a company called Airtex. The PN is: AIRTEX / WELLS 1P2139 {#1507} ... You can find it on RockAuto.com. Here is a copy of their picture:


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Your light switch may be defective. Buy a $15 multimeter (WalMart has them), and perform a continuity test on the switch. This involves setting the multimeter either to a resistance setting (100-1000 ohms should work, most multmeters have this setting) or to a continuity setting (not all mutlimeters have this setting). If you are using a resistance setting, ...


1

One option might be to change alternators to one with a higher output, the battery really should only be there to handle starting and intermittent loads (like your horn). The bulk of the electrical load should be handled by the alternator. Another question I'd ask is how much are you loosing by running the headlight on DC (which I think you're converting ...


4

After hours of tracing cables, removing panels and taking apart more of the car than I'd like to admit, I figured the issue out. Apparently there's a cable for control current (or something like that). The control current had gone out. The car still kept thinking the lights were on, as the LED control circuitry was apparently using the power the car was ...


4

The best way to keep them looking good is to utilize clear spray lacquer which is is not affected by UV. UV light is what causes the cloudiness in the first place. By spraying the clearcoat on there, you effectively protect the lense from the harmful UV rays. After you get through sanding the lense down, throw several light coats of the clear, then follow ...



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