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Electric Club Car Electric DS, and Precedent golf cars |
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05-30-2017, 08:04 PM | #1 |
Not Yet Wild
Join Date: May 2017
Posts: 18
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48V reducer wiring with 12V accessory relays
Question regarding wiring diagram for voltage reducer with 12V relays to each accessory. First off, my cart is a 2004 Club Car DS 48V (Ser#AA0411). I got this cart with a bucket of 12V accessories without spec sheets for amperage draw, etc. I purchased the 4 wire reducer from carts unlimited along with the fuse panel and ground bar. I plan on having 4 total circuits (1 x 20" led bar, 1 x head/tail lights, 1 x radio, 2 x 3" led pods wired together). All circuits will have their own relay and three prong switch on the dash. This is the plan...I can change according to advise from here. I also bought the digital volt meter, but assume it wires in like the old came out.
My main question is how to wire the 12V relays. The diagram I plan to use is the switchable voltage reducer diagram that came with the reducer, but I'd like to add 12V relays to each circuit and not sure how to accomplish that. I get stumped with the #30 pin because I don't have a 12V battery to run to. Can I use a +12V buss bar? Plus the switches I have are all three prong, and a little confused on the supply terminal. I currently have the reducer wired as follows: Yellow to 48V out on the cart switch (Is this correct for my cart? Other posts say to run to controller, not sure on my cart if I need to do that), Red going straight to battery pack, Black going straight to battery pack, green going to fuse block. I did a quick sketch of my parts/accessories to try and draw a diagram, but it would probably cause more confusion with my drawing abilities. I am also unsure of the correct fuse size to add and where. Can somebody be of assistance? I can try and upload my drawing, but I don't have wire/fuses drawn in. Thank you in advance for any help. |
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05-30-2017, 09:44 PM | #2 | |
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Re: 48V reducer wiring with 12V accessory relays
Quote:
you would do the same for each relay |
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05-31-2017, 06:07 AM | #3 |
Not Yet Wild
Join Date: May 2017
Posts: 18
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Re: 48V reducer wiring with 12V accessory relays
Great! Thanks for the quick response! That helps a bunch. One question; the drawing shows the black/negative from controller to ground bar. Should that be b- controller? Thanks
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05-31-2017, 06:08 AM | #4 |
Not Yet Wild
Join Date: May 2017
Posts: 18
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Re: 48V reducer wiring with 12V accessory relays
Sorry.....black/negative from "reducer" to b- on controller and not ground bar
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05-31-2017, 06:55 AM | #5 |
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Re: 48V reducer wiring with 12V accessory relays
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05-31-2017, 10:11 AM | #6 |
Not Yet Wild
Join Date: Mar 2017
Location: ORLANDO, FL
Posts: 46
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Re: 48V reducer wiring with 12V accessory relays
Not to hijack thread but is it advisable to use relay when wiring up LED small light bars (one 12" and two 4") or just wire from fuse panel to switch? I normally use relays on all the lights and accessories I have on my truck, just wasn't sure if it is different when using a reducer.
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05-31-2017, 11:25 AM | #7 |
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Re: 48V reducer wiring with 12V accessory relays
Some say always use a relay
i personally don't , even on my jeep |
05-31-2017, 11:45 AM | #8 |
Not Yet Wild
Join Date: Mar 2017
Location: ORLANDO, FL
Posts: 46
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Re: 48V reducer wiring with 12V accessory relays
Thank you. I'm using 15a HD switches, and running just LED light bars. I couldn't see it being a problem. Sure does lessen all the xtra wiring and such.
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05-31-2017, 02:26 PM | #9 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: 48V reducer wiring with 12V accessory relays
On automobiles a lot of times is not about the current capacity of the switch as much as it is the source of power.
If You want your switch to only be active when the key is ON, the key switch power circuit is typically very weak and You would need to run a relay OFF the battery power for any high current accessories. |
05-31-2017, 10:09 PM | #10 |
Not Yet Wild
Join Date: May 2017
Posts: 18
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Re: 48V reducer wiring with 12V accessory relays
CTD....thanks, I'm trackin now. Thanks again for all the help. I'll post some pics of the progress when I get some time off work to mess with the cart.
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