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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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02-17-2016, 05:13 PM | #1 |
Gone Wild
Join Date: Dec 2015
Location: Texas
Posts: 526
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Rear light assembly
I think i found the issue with my light assembly, just not sure how to fix.
Just ran a test... With the led light bulb: I ran positive wire from battery to bottom tip of led, with Battery negative to the led outer case and led works. Where the light bulb goes into the socket on my rear lights, using Volt meter, I can only get voltage if you touch voltage probe to the inner 2 connection points inside the socket. You don't get voltage if you ground to the socket case which looks like is needed to get led to work. I did find the rear lights assembly has another black wire that looks to be grounded to the inside light assembly...this wire is not currently being used. I am thinking if I connect my battery ground wire to this other wire that looks ground inside assembly, that will bring ground to the socket case? What do you think? Could I possibly short out my battery or damage it trying this? Thx Skip Sent from my Nexus 6 using Tapatalk |
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02-17-2016, 06:16 PM | #2 |
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Posts: n/a
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Re: Rear light assembly
post photos
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02-17-2016, 06:57 PM | #3 |
Gone Wild
Join Date: Dec 2015
Location: Texas
Posts: 526
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I will try to add a picture in...
There are 2 wires that go to the back where the light plugs in. There is one wire as you can see not being used that looks like it grounds to the light assembly. Sent from my Nexus 6 using Tapatalk |
02-17-2016, 07:11 PM | #4 |
Guest
Posts: n/a
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Re: Rear light assembly
ok ... the black wire on unit is a ground
the red and brown are power to the bulb brown is running lights red is brake/turn light |
02-17-2016, 07:20 PM | #5 |
Gone Wild
Join Date: Dec 2015
Location: Texas
Posts: 526
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So I am going to put the black to my battery negative.
Does it matter if it is red or brown that runs to the battery positive? I don't have brake or turn lights. Sent from my Nexus 6 using Tapatalk |
02-17-2016, 07:24 PM | #6 |
Guest
Posts: n/a
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Re: Rear light assembly
yes black has to go to 12v negative
it makes no difference on the other 2 wires but they need 12v positive red is a brighter than the brown filament you can connect the two for really bright lights |
02-18-2016, 01:08 AM | #7 |
Not Yet Wild
Join Date: Feb 2016
Location: Conroe, TX
Posts: 48
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Re: Rear light assembly
In the picture, that looks like a single-filament bulb (1156) But the bulb socket appears to be for a dual-filament bulb (1157). Also, you described that you have power and ground on the two solder pins in the base of the socket but no negative on the shell? If that's correct then this setup won't work very well. The 1156 bulb has a single solder button in the middle of the base. The 1157 bulb has two solder buttons in the base for a total of three connections if you include the grounded housing.
The way I'm seeing it, you have two choices to make this work. 1) Connect the black wire to battery negative, and connect both the red and the brown wire together and hook to your positive. Put an 1156 bulb in there and the center pin will probably contact one or the other of the two solder points in the base and it will light. 2) Connect the black wire to battery negative. Install an 1157 bulb. Hook your positive feed to the brown wire, leave the red wire disconnected and you'll light the smaller filament and have parking lights. Or, if you prefer a much brighter light, you can hook up your positive source to the red wire and light the bigger filament (brake light). You'll consume more battery power using the red wire. |
02-18-2016, 07:48 AM | #8 |
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Posts: n/a
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Re: Rear light assembly
1156 would not fit correctly
lets see the bulb |
02-18-2016, 08:14 AM | #9 |
Gone Wild
Join Date: Dec 2015
Location: Texas
Posts: 526
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The bulb in there right now is a 2057.
I was going to switch it to a LED that is a 1157 that indicates it will work in place of the 2057 bulb. Sent from my Nexus 6 using Tapatalk |
02-18-2016, 08:27 AM | #10 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Rear light assembly
CrashTestDummy recommendation in post #6 is spot on.
Your original lights were either connected by someone without a clue, or they just used what was available and stumbled on a solution. In a regular filament bulb, the 2 filaments share a common connection point to the shell case, so if You apply + and - power to each of the filament base connections, You are simply running both filaments in series. If You are going to switch to LEDs, You just need to do what Crash said and it will work for now and also if You decide to add brake/turn signals later. |
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