I have a '74 cb 750 and i want to add rear led turn signals. with this switch, would it be a case swapping out the original on the bike?

If the CB 750 has the traditional two prong flasher unit then it MAY be nearly as simple as swapping it out and finding a ground point for the wire shown in the picture. It would depend on the polarity of the prongs on your bike. If it is like my Chevy truck, you may have to run two jumper wires from the original mounting points to the new flasher to reverse polarity, or cut the wiring harness on the bike to reverse the polarity at the plug by exchanging the wires for the flasher.

I want to plug this into the 7-pin connector (pins 3 + 4 ) of our camper trailer to have the lights flash. Will it fit size wise 7 pin connector ?

I dont think it will fit size wise.....

Can anyone tell me the length from the tip of the pins to the top of the flasher? It gives dimensions but does not specify what is what. Thank you.

Just ground it to the inside cab body, anywhere. Good grounding.

do i need to add a fuse to prevent a shortage on wire harness?

If you're replacing an existing flasher or just adding it to a current circuit, you shouldn't need to add a fuse. The current circuits should already be protected. If you are adding a new circuit / lamp, I would add a fuse.

United Pacific Heavy Duty 12-Volt LED Flasher, 2 Terminals, 18 Gauge Insulated Ground Wire, 2-Pin LED Flasher, Plastic Body – 1 Unit (Part No. 90650)

United Pacific Heavy Duty 12-Volt LED Flasher, 2 Terminals, 18 Gauge Insulated Ground Wire, 2-Pin LED Flasher, Plastic Body – 1 Unit (Part No. 90650)

Product ID: 276737750

Details

Brand
United Pacific
Colour
Black
Light source type
LED
Specific uses for product
Flasher
Vehicle service type
Car Truck

⚡12V DC power compatibility

🔌2-terminal plug & play design

🛠️18-gauge insulated ground wire

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€ 60.64

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Flash smarter, not harder — upgrade your ride’s signal game!

DURABLE BUILD - Compact plastic body designed to withstand heavy-duty automotive environments.
PLUG PLAY SIMPLICITY - Direct replacement with 2 spade terminals for quick, hassle-free installation.
UNIVERSAL COMPATIBILITY - Works with any 12-volt DC vehicle system—classic cars to modern trucks.
SEAMLESS LED INTEGRATION - Optimized for LED taillights & turn signals, ensuring flawless flash rates.
EXPERT SUPPORT RELIABILITY - Backed by 30+ years of automotive innovation and dedicated customer service.

The United Pacific Heavy Duty 12-Volt LED Flasher is a robust, easy-to-install flasher unit designed specifically for vehicles equipped with LED lighting. Featuring a durable plastic body, 2-terminal plug-and-play design, and an 18-gauge insulated ground wire, it ensures reliable, consistent flashing performance across all 12V DC automotive systems. Trusted by car enthusiasts and professionals alike, it delivers seamless LED signal regulation backed by decades of industry expertise.

Specifications

ASIN	B075G5XX5K
Additional Features	LED light regulation
Auto Part Position	Front
Best Sellers Rank	#117,592 in Automotive ( See Top 100 in Automotive ) #40 in Car Flashers
Brand Name	United Pacific
Color	Black
Compatible with Vehicle Type	Car, Truck
Customer Reviews	4.5 4.5 out of 5 stars (463)
Global Trade Identification Number	00710270906505
Included Components	flasher
Item Dimensions	12.4 x 7.1 x 4.1 centimeters
Item Type Name	LED Flasher - 12V, 2 Terminal
Item Weight	32 g
Lens Color	Black
Lens Material	Plastic
Light Source	LED
Manufacturer	United Pacific Industries
Model Year	90650
Specific Uses For Product	Flasher
UPC	710270906505 680474699636
Unit Count	1 Count
Voltage	12 Volts

Reviews

W**N

They look and would probably work for the right setup and were priced extremely well considering what others were asking but unfortunately it didn’t pan out . I’m still using all led lighting in my classic but really what I found to work was the basic aluminium 2 pin flasher can ,you wouldn’t believe it .

25.07.2023

E**.

Worked perfectly, won’t function without the ground so make sure you have it connected. Used in 1965 Mustang with LED bulb signal lights.

22.12.2025

A**.

Después de cambiar en su totalidad las luces incandescentes por LEDs, las direccionales dejaron de funcionar. Investigando, encontré que los relays mecánicos no funcionan con luces LED, algunos sugieren instalar resistencias adicionales con los riesgos que esto conlleva. Así que una solución más limpia y sencilla, es un relay electrónico. Opté por este en particular y funcionó a la perfección.

6.09.2020

B**N

Very good product

1.04.2024

D**N

Mustang 66 sin problema mis faros led

31.07.2021

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