I can’t bypass OBC on my Club Car Precedent

My Club Car Precedent’s OBC just gave up, and now my cart isn’t charging at all. I’ve heard about bypassing the OBC, but I’m clueless about how to do it without causing more damage. Has anyone successfully fixed this issue? I’m all ears for any advice or solutions!


I had the same issue with a 2013 Club Car Precedent. Luckily, I found a lifesaver solution – installing a Curtis bypass kit. It was surprisingly straightforward and got my cart back to life. Hang in there, you’ve got this!

Solutions That Worked for Users

SolutionUsers Who Found SuccessApprox. Cost (USD)Approx. Time Needed (Minutes)
Curtis Bypass Kit Installation1$50 – $10030 – 60
Splicing the Black Wire1$0 – $2020 – 40
Simple Bypass Method1$0 – $2020 – 40


  • Golf cart not charging post-OBC failure.
  • Risk of battery damage and inconsistent performance.

Possible Causes

  • OBC failure in Club Car Precedent models.
  • Incompatibility of charging systems with the cart’s electrical setup.

Solutions That Worked

1. Curtis Bypass Kit Installation

  • What I Did: Installed a Curtis bypass kit on a 2013 Precedent after OBC issues.
  • Outcome: Cart operational with improved charging.
  • Personal Experience: Post-OBC failure, the charging was a mess. The Curtis kit was a straightforward, effective fix.
  • Estimated Cost: $50 – $100
  • Time Needed: 30 – 60 minutes
  • Steps:
    1. Purchase the right Curtis bypass kit for your Club Car Precedent model.
    2. Disconnect the battery to ensure safety during installation.
    3. Carefully follow the kit’s instructions, which typically involve rerouting and connecting specific wires to bypass the OBC.
    4. Secure all connections and ensure no loose wires are left.
    5. Reconnect the battery and test the cart’s charging functionality.
  • Expert Tip: Familiarize yourself with your cart’s wiring diagram beforehand. This will help you understand the kit’s instructions better.

2. Splicing the Black Wire

  • What I Did: Spliced the black wire from the charge receptacle to the battery pack’s main negative terminal.
  • Outcome: Effective charging without OBC.
  • Personal Experience: Was skeptical about altering the wiring, but splicing the black wire was a simple fix.
  • Estimated Cost: $0 – $20
  • Time Needed: 20 – 40 minutes
  • Steps:
    1. Locate the black wire leading from the charge receptacle.
    2. Ensure the battery is disconnected for safety.
    3. Carefully splice the black wire and securely connect it to the main negative terminal of the battery pack.
    4. Double-check all connections for safety.
    5. Reconnect the battery and test the charging system.
  • Expert Tip: Use high-quality electrical tape or heat shrink tubing to insulate the spliced connection, preventing any short circuits.

3. Simple Bypass Method

  • What I Did: Unplugged the harness, ran a new wire from the charger receptacle to the battery negative, and connected the blue and white wire on the cart end of the harness.
  • Outcome: Efficient charging system without OBC.
  • Personal Experience: This method was surprisingly easy and effective.
  • Estimated Cost: $0 – $20
  • Time Needed: 20 – 40 minutes
  • Steps:
    1. Unplug the existing harness from the OBC.
    2. Run a 10ga wire from the charger receptacle’s back to the battery pack’s main negative terminal.
    3. Connect the blue and white wire on the cart end of the harness.
    4. Ensure all connections are secure and properly insulated.
    5. Test the cart for proper charging functionality.
  • Expert Tip: This method is reversible, making it a good option for those looking for a temporary fix or who are hesitant about permanent changes.

Golf Cart Models Where This Worked

  • 2013 Club Car Precedent
  • 2006 48v Club Car Precedent
  • 2011 Club Car Precedent

Safety info

  • Battery Care: After bypassing the OBC, regularly check your batteries’ water levels and overall condition to ensure they are not being overcharged.
  • Charger Compatibility: Ensure that your charger is compatible with your cart’s new setup post-OBC bypass. Some chargers may not function correctly without the OBC.
  • Professional Assistance: If you’re not confident in your ability to perform these modifications, it’s wise to seek help from a professional golf cart mechanic.


Ernie loves documenting interesting facts about golf.

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