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This is 100% plug-n-play kit that does not require any modifications to stock wiring harness. Restore back to 100% stock wiring.

Then plug in Tyga harness to H4 headlight connector on stock headlight harness.

 

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Discussion Starter · #3 ·
This is 100% plug-n-play kit that does not require any modifications to stock wiring harness. Restore back to 100% stock wiring.

Then plug in Tyga harness to H4 headlight connector on stock headlight harness.

Okay so I’m having the problem where switching to high beam doesn’t change the lights. Both lights are on all the time and don’t change brightness or anything
 

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There should be another H4 connector on factory harness that's not used.

1. Plug the Tyga light harness into that connector. If same behavior...

2. Having switch not change between low & high-beams means stock factory wiring has been modified. Trace wiring going out of headlight-dimmer switch:

  • white (lo) should go directly to each H4 connector
  • black/white (hi) wire should change to blue/white after connector and end up at headlight-relay
  • blue wire (hi) leaving headlight-relay should go to each H4 connector

6049
 
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