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Old 12-14-2012, 05:31 PM   #1
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Need More Driving Light power


My HR Endeavor is lacking enough headlight power that traveling in the dark is a challenge.

I really want to see if anyone can post pics of additional Driving lights or suggestions. I want to put some in the lower section of the front end..Figure relay can be used for low beam control and direct for main power to battery..

Any suggestions..I am looking at (2) 100 watt driving lights down low should really help..

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Old 12-14-2012, 05:56 PM   #2
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No help with picking out lights but have you actually measure the voltage at the light bulbs. Drag your shoreline cord out, connect the voltmeter to the ground lug and measure each wire that goes to the bulbs. Do not remove the bulbs for this test. Testing each side of the bulb will show if you may have a ground issue or a low power issue. Once you have those numbers and still need lights you can find a good source of 12 volts and a good ground to run the new lights. Use the voltage from the headlights to run a relay that will control your new lights.

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Old 12-14-2012, 06:05 PM   #3
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I would work it a step and least cost first at a time.
1. Make sure your lights are aimed well (mine weren't).
2. Consider brightest bulbs available. Silverstars are brighter in my experience. Forget the so-called xenon and blue bulbs. I found they usually burned out fast, and a white to slightly yellow light shows up brighter on really dark pavement or wet roads than the blue colors.
3. Are your low and high beams a single or two separate bulbs? If two, I can recommend wiring in a relay so the lows stay on when you hit the brights. I either had low only or high only. With both, I now have adequate light, so I haven't gone further on our coach.
4. I have had so-so results with driving lights on cars and trucks. Some were a spot beam and lit up distant stuff but I still couldn't see better closer up, and I always had to turn off the spots in traffic. Others were more of a flood light that were aimed closer in and did help some. I didn't have to cut them for traffic, and being low they also were more help seeing through rain and snow.
Just my experience. Hope you "see the light." The best solution for us is we rarely drive the coach after dark.
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Old 12-14-2012, 06:16 PM   #4
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Blacknchrome......Hear is what I did. SOme of it may help you. Headlight Upgrade
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Old 12-14-2012, 09:25 PM   #5
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Hello, What I did was removed the fog lights and replaced them with driving lights. Then replaced the bulbs in the driving lights with 100 watt halogen bulbs. I also wired in a relay from the bright lights to the new driving lights. This way when i use the bright lights I also have the driving lights come on also. This has improved the night driving a bunch. Good luck
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Old 12-15-2012, 12:53 AM   #6
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Here is another link to a great thread on the common issue of inadequate headlight illumination Inadequate dim headlights

There are a couple more links on this topic if you search but I think between this link and Don's link you will find enlightenment
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Old 12-15-2012, 01:13 AM   #7
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We just got a new fire engine and they mounted a Federal Q siren in the path of the headlight. KME put a driving light under the bumper, made by Hella, that lights up the world!
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Old 12-15-2012, 01:35 AM   #8
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I replaced the bulbs in my projector style headlights with HID bulbs and installed the ballast to the circuit for the headlights. I then pulled the DRL relay and replaced it with a normal Bosch 87 style relay. Made sure the lights were aimed correctly and I can now see the road well.
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Old 12-15-2012, 02:52 AM   #9
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Blacknchrome, try dimming your dash lights. I used to own and drive a Kenworth with eighteen gauges and lots of other things that were lit on the dash. I replaced headlights, wasted money on high powered driving lights and so on. It was the dash lights that was the problem.
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Old 12-15-2012, 08:38 AM   #10
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I had the same problem. YC1's reply is what I did and there was only 9.6 volts on my headlight bulbs. I mounted relays that are switched by the factory headlight circuit and ran new wire to the bulbs. It made a big difference in the amount of light.
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Old 12-15-2012, 08:59 AM   #11
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I bought Hella e-code european headlights from rallylights.com, with 130W high beams and 100W lows. this actually makes the low voltage problem worse because of the amount of current draw and additional voltage drop across the thin wires and the switch. This could overheat the dash switch and wiring to the lights, so I bought a relay kit with heavier gauge wire that connects directly to the big low-voltage relay.

The e-code lights have a very distinct pattern and directions on how to aim them against a wall.
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Old 12-15-2012, 09:01 AM   #12
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And again, check the aim. You will be surprised at the difference. Mine were so far out you had to light a match to see if they were on. After adjustment against a brick wall at 50 feet they are just fine.
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Old 12-16-2012, 03:12 PM   #13
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Checked the voltage and found the plugs had some small rust and such on the pins...cleaned the female plug end...installed new bulbs which are 55/60...but Silverstars...very bright light...RV is a 2000 and the bulbs had a date of 2999 which makes them pretty old..

Also looked the headlight housings and they have some issues as well. Found that Endeavor use 1995-2001 Ford Explorer head light assemblies...for $99 I can but all new head lights with turn signals and run lights..

So I plan to do this as this also will help..

The voltage prior to cleaning the plug...10.2 volts...now when RV is running...12.9...

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Old 12-17-2012, 06:20 PM   #14
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Thanks for taking the voltage measurements. That helps in future responses. I suspect they are MUCH brighter now.

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