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Old 01-04-2018, 11:17 AM   #1
bospider01
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Default Electrical questions

Hello all, new to the golf cart world and ready to dive in... But I have some questions. I have an 09 precedent that I'm ready to start upgrading and personalizing. Here are my questions...

1. I have a halogen headlight and blinkers installed already but want to go to LED headlight/blinker.

-Is there already a harness installed that will plug and play if I get this:

Club Car Precedent LED Headlight Bar 2004-2016 Bright LED's! Change Out Your Halogen Light! https://www.amazon.com/dp/B01GSRIUNW..._vWKtAb6TXYGE0

-Will the turn signals still work or will i need something to make them work.

-Why do my headlights dim when I accelerate?

-was a voltage reducer used to make headlights work or should one be installed? I've already purchased a 48-12v 30amp reducer for underbody LEDs.

-radio is running off a separate 12v battery in the back compartment but I want to wire from the battery bank, using aforementioned reducer, how will my wiring change and should I include a fuse block?

I plan on installing a LED bar later and I already purchased a 6 gang set of switches. I guess I could really use a schematic to get all these wired up. I'm not 100% electrically inclined but I can follow a schematic. Please help me get through this, thank you all in advance.
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Old 01-05-2018, 06:02 AM   #2
yawood
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Default Re: Electrical questions

Quote:
Originally Posted by bospider01 View Post
Hello all, new to the golf cart world and ready to dive in... But I have some questions. I have an 09 precedent that I'm ready to start upgrading and personalizing. Here are my questions...

1. I have a halogen headlight and blinkers installed already but want to go to LED headlight/blinker.

-Is there already a harness installed that will plug and play if I get this:

Club Car Precedent LED Headlight Bar 2004-2016 Bright LED's! Change Out Your Halogen Light! https://www.amazon.com/dp/B01GSRIUNW..._vWKtAb6TXYGE0

-Will the turn signals still work or will i need something to make them work.

-Why do my headlights dim when I accelerate?

-was a voltage reducer used to make headlights work or should one be installed? I've already purchased a 48-12v 30amp reducer for underbody LEDs.

-radio is running off a separate 12v battery in the back compartment but I want to wire from the battery bank, using aforementioned reducer, how will my wiring change and should I include a fuse block?

I plan on installing a LED bar later and I already purchased a 6 gang set of switches. I guess I could really use a schematic to get all these wired up. I'm not 100% electrically inclined but I can follow a schematic. Please help me get through this, thank you all in advance.
According to that listing on Amazon, the unit is Plug and Play. It says: "Unplug your halogen light bar and plug in this LED bar" however you'll probably find that the headlights work but the indicators don't flash. You'll need to swap your halogen flasher unit with an LED flasher unit (readily available).

The lights are almost certainly working off 12V so you'll probably find that you already have a 48V-12V reducer for the lights. Look at the bulbs and they will say if they are 12V or 48V.

If your radio is working successfully off a separate 12V battery all you need to do is take the wire going to the positive of the battery and connect it to the positive side of the reducer output and similarly move the negative wire from the battery negative to the reducer output negative. There is probably already a fuse but, if not, then one is preferable.

I'm not sure why your lights dim when you accelerate but changing to LEDs will reduce or eliminate that effect.
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Old 01-05-2018, 08:19 AM   #3
meimk
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Default Re: Electrical questions

Lights dim because the voltage drops.
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Old 01-05-2018, 08:26 AM   #4
bospider01
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Default Re: Electrical questions

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Originally Posted by meimk View Post
Lights dim because the voltage drops.
Anything I can do about that?
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Old 01-05-2018, 08:36 AM   #5
yawood
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Default Re: Electrical questions

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Originally Posted by meimk View Post
Lights dim because the voltage drops.
Obviously, but why does the voltage drop?
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Old 01-05-2018, 09:41 AM   #6
Sergio
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Default Re: Electrical questions

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Obviously, but why does the voltage drop?
Maybe he has 4 x 12v batteries and they connected the headlights to a single battery... Certainly a recipe for early pack demise.
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Old 01-05-2018, 09:49 AM   #7
Htownblue
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Default Re: Electrical questions

Make sure your reducer is wired to the entire pack not a single battery.
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Old 01-07-2018, 10:35 PM   #8
bospider01
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Default Re: Electrical questions

I don't see a reducer anywhere in all my wiring.

Can anyone tell if the headlights are wired to 1 battery.
I can't tell but I think they are plugged into a harness but I can't tell where past that.

If y'all see anything else I should take note of, let me know.
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Old 01-07-2018, 10:56 PM   #9
Htownblue
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Default Re: Electrical questions

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Originally Posted by bospider01 View Post
I don't see a reducer anywhere in all my wiring.

Can anyone tell if the headlights are wired to 1 battery.
I can't tell but I think they are plugged into a harness but I can't tell where past that.

If y'all see anything else I should take note of, let me know.
Your lights are plugged I to the second battery in the series. It’s the blue wire. I bet if you follow it it connects to the light harness.

Get a reducer. Wire it up and have your lights plug into the reducer output. Do the same with the stereo power input and use a buss bar or fuse box if needed.
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Old 01-07-2018, 11:27 PM   #10
bospider01
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Default Re: Electrical questions

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Originally Posted by Htownblue View Post
Your lights are plugged I to the second battery in the series. It’s the blue wire. I bet if you follow it it connects to the light harness.

Get a reducer. Wire it up and have your lights plug into the reducer output.
I purchased a reducer, should be here Wednesday. Any wiring suggestions? Should I use a fuse block?

That blue wire is the positive end of the lights ya think? So the 12v lights aren't even getting a full 12v as one battery is only 8v, am I correct?
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