Will this work on a 1985 four runner?

jeez...every three months the same question...It'll work great if you're intent is to to set your vehicle on fire and collect the insurance...IT'S GARBAGE!! ...the wire is criminally undersized for the application...it should be 14-16g but it's only 22g ...this can cause it to overheat, melt the insulation and start a fire.....

Did not come with manual, where can I find it online?

Dear customer, Pretty sorry for this trouble. Kindly please send email to kaslight2@outlook.com, we will send you the manual accordingly

Will this work on an 87 toyota pickup ?

I installed it on my 88 Toyota pickup 2wd. The high beam did not work. The high beam relay would work but would not turn the high beam on. Found the wiring on load side of the relay was wired wrong so I had to pull the wires out and relocate them. High and low work good now. If the relays work, but won't turn the lights on, the issue is on the load side. Check the wiring on the relays.

Will this work on a 93 chevy blazer if not what harness would?

I dont know alot about Chevy blazer but work great in my 93 XJ. I dont see why not,

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KASLIGHT H6054 LED Headlight H4 Relay Harness for Jeep Toyota Subaru 9003 | Upgrade sealed beam headlights with fused wiring. Fits H6054 H6024 9003 5x7 7x6 LED conversions and solves dim light issues

Product ID: 60786355

Details

Brand
KASLIGHT
Fit Type
Vehicle Fit
Included Components
H4 Headlight
Light Source Type
Light Emitting
Wattage
360 watts

⚡360W stable power output

💡Fixes dim & flickering headlights

🔧Plug-n-play vehicle-specific fit

S$46

Duties & taxes included

In stock

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Description

💡 Illuminate your ride, ditch the dim—drive with confidence tonight!

PROTECT PERFORM - Fused relay wiring prevents overloads and overheating, extending headlight and switch lifespan.
HASSLE FREE UPGRADE - Vehicle-specific plug-n-play harness designed for Jeep, Toyota, Subaru with no rewiring headaches.
BRIGHTEN YOUR NIGHT DRIVES - Delivers direct battery power to eliminate dim, flickering, and weak beams for superior visibility.
SOLVE DOUBLE GROUND ISSUES - Specially engineered to fix Toyota Pickup & Tacoma’s double ground problem for full beam functionality.
UNIVERSAL LED COMPATIBILITY - Perfect for 5x7, 7x6 sealed beam LED conversions with H4 plugs—upgrade without compromise.

The KASLIGHT H6054 LED Headlight H4 Relay Harness is a high-performance, vehicle-specific wiring upgrade designed to fix dim, flickering, and malfunctioning headlights on Jeep, Toyota, and Subaru models. Delivering a stable 360W power supply through a fused relay system, it solves common double ground wiring issues, protects against overload, and ensures optimal LED headlight performance for safer, brighter night driving.

Specifications

ASIN	B07B9QQMMH
Auto Part Position	Inner
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#24,360 in Automotive ( See Top 100 in Automotive ) #49 in Automotive Replacement Electrical Wiring Harnesses
Brand Name	KASLIGHT
Customer Reviews	4.6 4.6 out of 5 stars (2,002)
Fit Type	Vehicle Specific Fit
Included Components	H4 Headlight Connector
Light Color	4000K Cool White, 6500K Bright White
Light Source	Light Emitting Diode (LED)
Manufacturer	KASLIGHT
Manufacturer Part Number	KAJE-0003
Model Number	8542081869
Number of Items	2
Number of Packs	1
Number of Pieces	2
Set Name	1 Set
UPC	653437481838
Unit Count	2 Count
Wattage	360 watts

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