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Old 03-04-2015, 11:34 PM   #1
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Headlight Upgrade

We have a 2015 Seneca TS which is a huge upgrade over our '94 Fleetwood Coronado but the headlights on the Seneca leave some room for improvement. I plan on purchasing driving lights from Freightliner but doubt these will help much. Any suggestions?
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Old 03-05-2015, 09:43 AM   #2
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I'll be watching this thread. My 2015 Precept is weak on headlights. I know I'm getting older and don't see at night like I use to but could use all the help I can get.

Bob
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Old 12-31-2015, 01:29 PM   #3
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Thumbs up Just Upgraded the Head Lights and Fog Lights!

I used OPT7 LED's. They're working great and are a big improvement.
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Old 12-31-2015, 06:36 PM   #4
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I wasn't overly impressed with my stock Seneca headlights either, so I changed the original bulbs over to Sylvania SilverStar Ultras and they are a noticeable improvement over stock. But the biggest help was properly aligning the headlights, they were way off upon delivery. Jayco probably never touches the headlights after building the unit. I also added the factory Freightliner fog lights which help "fill in" the area between the front bumper and where the low beams hit the pavement. Not much aid at expressway speeds, but helpful on dark back roads especially in the rain.

I have tried searching for HID projector headlights for the M2 chassis, no luck so far. I have HIDs on both my toads and wish the MH's headlights were half as good! And too bad Freightliner has never offered LED headlights on the M2 like they do on their new Cascadia semi tractor, those lights are fantastic!
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Old 12-31-2015, 07:14 PM   #5
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Quote:
Originally Posted by Shultz01 View Post
I used OPT7 LED's. They're working great and are a big improvement.
I wonder how you feel the cooling is for your LED bulbs in your Seneca? Did you leave the rear access cover off of the headlight assembly when you installed the new bulbs? I see the instructions recommend leaving any cover off for cooling purposes citing that the bulb assemblies are waterproof.

I ask because one of my bulb access covers was missing when I took delivery of my unit. It either fell off or was never installed originally. I discovered the situation after a few weeks of ownership when I noticed water in my headlight assembly and then discovered the cover gone. Even though the M2 has a rubber flap covering the back of the headlight, without the cover in place water could still splash up was still filling up the assembly. Freightliner had to replace the headlight assembly due to corrosion that had already occurred.
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Old 01-01-2016, 07:12 PM   #6
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Smile

The headlight housings are vented, because you still need ventilation to dissipate any condensation that occurs due to atmospheric conditions. So I left the rear cover on and so far, so good. Yep, the lights are waterproof. They are also self cooling with internal fans.
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Old 01-07-2016, 09:18 AM   #7
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Robbbyr. I took your concern to heart and ordered waterproof vents for the headlight enclosure to add more ventilation for the LED lamps. I'll add two to each cover. This will allow for more ventilation, keep water out and the cover on.
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Old 01-07-2016, 11:29 AM   #8
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Robbbyr. I took your concern to heart and ordered waterproof vents for the headlight enclosure to add more ventilation for the LED lamps. I'll add two to each cover. This will allow for more ventilation, keep water out and the cover on.
Looks very intriguing, where did you source the vents?

I will likely do the conversion when I get my rig back from Jayco, it is at the factory Service Center getting the passenger-side slideout repaired in addition to various other issues repaired. I'm suffering withdrawal without it!
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Old 01-07-2016, 01:37 PM   #9
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www.polycase.com

I know what ya mean. We were having our bunk slide worked on too and had withdrawal.
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Old 01-10-2016, 11:59 AM   #10
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Additional Vents Added

Here's the headlight compartment covers with the additional vents added. Note the factory vent circled in red. I don't know if the additional vents are necessary, but they certainly can't hurt with the additional air circulation they'll provide. I love the new LED headlights and driving lights. So if this keeps the headlights at a better temp then I'm all for it.
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