This problem can be solved if plug don't fit 

Note: If your car is included in the following models,the plug is not suitable, and the positive and negative poles are opposite. The two negative poles of H4 loose wire may need to be converted into positive and negative poles in the plug.

1983 1984 1987 1988 1991 1993 1994 1995 Toyota Pickup ,1990 Toyota Celica,1991 Toyota MR2,1997 Toyota Tacoma

Note: If your vehicle belongs to the following models, you may need to purchase additional H4 9003 Relay Harness Conversion kit to make it work with your vehicle.

2003 2004 2005 Chevrolet  Astro Van

Size not fit , you will need modify

Note: Our 7X6 inch led headlights DO NOT FIT for the following models:

2003    Sterling LT9500，1998 Ford   E350 Econoline Club Wagon Passenger Van，2001 Ford  E-150，1987 Pontiac Trans Am，1999 Mack   CH CH600 Tractor Truck ，2007 Mack   CHN CHN600 Tractor Truck，2014 Mack   CHU CHU600 Tractor Truck，1995 Jeep  Wrangler，1994 Chevrolet  S10 LS Standard/Extended Cab Pickup，1996 Chevrolet  Blazer，2000 Chevrolet Express 1500 ,1989 Chevrolet  R3500 Silverado,1993 Nissan pathfinder

,1998 2000 Nissan Frontier,1994  Toyota 4Runner,1997 1998 1999 Toyota Tacoma

Note: If your car belongs to the following models, you may need to modify the bracket to make the headlights fit.

1999 Jeep  Cherokee XJ,1993 Nissan 240SX SE   ,1997 Nissan Pickup ,1989 Nissan 240sx ,1983 1987 1989 1993 1994  Toyota pickup,2003  Toyota Tundra

When This H4 Relay is Needed?

If you suffer from problems(such as dim headlights, malfunctioning headlights) when replacing halogen lights to 4X6 led healdights,you need buy this h4 relay harness to help you fix those issues (Package not included)

When This H4 adaptor is Needed

If your car plug positive and negative is opposite with us.

Many buyers use H4 adapter to solve this problem.

When This H4 adaptor for Conversion polarity is Needed

some toyota pickup are special,

Such as 1987 toyota pickup has 2 negative and 1 positive .

But our light has 2 positive and 1 negative.

You may need a adapter to solve this problems.

2.If you would like to Returns, Refunds & Exchanges, Please send ebay message to us, indicating the reasons and problems, to help us improve our service. Buyer has 30 days to return the item from the date the item was received.

3.Buyer is responsible for all return shipping charges. we will responsible to pay the resend package. We provide 2 years quality warranty (factory defect) since you purchased our item.

4.If for any reason you are not satisfied with your purchase, please send message to us to resolve any issues before leaving feedback. We will reply you ASAP. Thanks for your Understanding

1.Products can be returned, If the products  can sell again. Please ensure the item no defective and keep the box