2009 Predecent brake light issue

EdHead · 10-09-2019, 09:33 PM

So got a turn signal, horn, and brake light kit.

Wired up and double checked. Everything works fine.

However, brake lights only work when the light switch is on. No brake lights unless I have the head and tail lights on. Same with turn signals.

Any ideas? Went through old posts and didn’t see anything regarding an issue like this.

EdHead · 10-10-2019, 08:01 AM

Check that, turn signals work but brake lights and horn don’t unless lights are on.

Sergio · 10-10-2019, 09:43 AM

Was it plug and play or did you make any manual wire connections?

The 12v power comes from the dash bucket harness 12-pin connector and then it splits into:

A Yellow wire that goes to the headlight switch.
A Blue wire that goes to the brake relay (behind the dash).
A Blue/White wire that goes to the 9-pin Turn Signal assembly to power the turn signal and horn.

What kind of converter do you have and how does it turn ON/OFF?

EdHead · 10-10-2019, 09:58 AM

Plug and play. It was prewired for everything.

I think it is working as it should. From what I've read, Precedents brake lights only work when the lights are on. I'd like to get them to work whenever the key is turned on. That said, it's probably safer to just have the light on.

Sergio · 10-10-2019, 10:14 AM

Quote:

Originally Posted by EdHead

Plug and play. It was prewired for everything.

I think it is working as it should. From what I've read, Precedents brake lights only work when the lights are on. I'd like to get them to work whenever the key is turned on. That said, it's probably safer to just have the light on.

That is not correct, the brake lights as well as the turn signal and horn are independent of the headlight circuit, unless the cart is not wired properly.

Whoever wrote what you read does not know how golf carts are wired.

Do You have a brake relay installed behind your dash?

Do You have 12v available on the brake relay 1/4" connector Blue wire when the key is ON or only after you turn the head light ON?

WalterM6 · 10-10-2019, 08:16 PM

Did you connect the two wires under the floorboard by the brake pedal?

EdHead · 10-11-2019, 01:22 PM

There is a relay behind the dash. It makes a click when I turn the key on as well. I need to get a multimeter and check the wires going to the brake pedal assembly.

Sergio, thank you for the help on another thread. I will go over those instructions.

EdHead · 10-11-2019, 01:26 PM

This is the cart in question.

10-09-2019, 09:33 PM	#1
EdHead Not Yet Wild Join Date: May 2019 Location: limbo Posts: 9	2009 Predecent brake light issue So got a turn signal, horn, and brake light kit. Wired up and double checked. Everything works fine. However, brake lights only work when the light switch is on. No brake lights unless I have the head and tail lights on. Same with turn signals. Any ideas? Went through old posts and didn’t see anything regarding an issue like this.

10-10-2019, 08:01 AM	#2
EdHead Not Yet Wild Join Date: May 2019 Location: limbo Posts: 9	Re: 2009 Predecent brake light issue Check that, turn signals work but brake lights and horn don’t unless lights are on.

10-10-2019, 09:43 AM	#3
Sergio Gone Wild Join Date: Sep 2012 Location: Charlotte, NC Posts: 9,329	Re: 2009 Predecent brake light issue Was it plug and play or did you make any manual wire connections? The 12v power comes from the dash bucket harness 12-pin connector and then it splits into: A Yellow wire that goes to the headlight switch. A Blue wire that goes to the brake relay (behind the dash). A Blue/White wire that goes to the 9-pin Turn Signal assembly to power the turn signal and horn. What kind of converter do you have and how does it turn ON/OFF?

10-10-2019, 09:58 AM	#4
EdHead Not Yet Wild Join Date: May 2019 Location: limbo Posts: 9	Re: 2009 Predecent brake light issue Plug and play. It was prewired for everything. I think it is working as it should. From what I've read, Precedents brake lights only work when the lights are on. I'd like to get them to work whenever the key is turned on. That said, it's probably safer to just have the light on.

10-10-2019, 08:16 PM	#6
WalterM6 Gone Wild Join Date: Apr 2017 Location: SE TN Posts: 2,226	Re: 2009 Predecent brake light issue Did you connect the two wires under the floorboard by the brake pedal?

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10-11-2019, 01:22 PM	#7
EdHead Not Yet Wild Join Date: May 2019 Location: limbo Posts: 9	Re: 2009 Predecent brake light issue There is a relay behind the dash. It makes a click when I turn the key on as well. I need to get a multimeter and check the wires going to the brake pedal assembly. Sergio, thank you for the help on another thread. I will go over those instructions.

10-11-2019, 01:26 PM	#8
EdHead Not Yet Wild Join Date: May 2019 Location: limbo Posts: 9	Re: 2009 Predecent brake light issue This is the cart in question.

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