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Wayne
Wayne, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 8437
Experience:  worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling
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I have code 43 6-4

Customer Question

I have code 43 6-4
Submitted: 1 year ago.
Category: Medium and Heavy Trucks
Customer: replied 1 year ago.
Everything on the truck working just fine
Customer: replied 1 year ago.
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call. Let me know if you need more information, or send me the service offer(s) so we can proceed.
Expert:  Wayne replied 1 year ago.

Hi I'm Wayne

I will help you with this

I have not seen that code, but according to the book

has to do with bright lights, and dimmer switch

Make sure both high beams are working

and dimmer switch is working

I know sounds weird , but that is what the book is saying