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.

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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
Connector type
Spade
Current rating
20 Amps
Operating voltage
12 Volts
Switch type
Flash Switch

⚡12V DC power compatibility

🔌2-terminal plug & play design

🛠️18-gauge insulated ground wire

₨546

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Description

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

QUICK CLEAR FEEDBACK - Distinct relay click sound keeps you in the know—classic feel meets modern tech.
SEAMLESS LED INTEGRATION - Optimized for LED taillights & turn signals, ensuring crisp, reliable flashes every time.
UNIVERSAL 12 V COMPATIBILITY - Works flawlessly with any 12-volt DC vehicle system—no guesswork, just plug & play.
EASY TROUBLESHOOTING SUPPORT - Includes polarity adapter option and expert customer service for hassle-free installation.
DURABLE BUILD COMPACT DESIGN - Rugged plastic body with precise 1-7/16” dimensions fits discreetly under your dash.

The United Pacific Heavy Duty 12-Volt LED Flasher is a compact, durable flasher unit designed for vehicles with LED lighting systems. Featuring a 2-terminal plug-and-play setup and an 18-gauge insulated ground wire, it ensures reliable, fast flashing compatible with any 12V DC system. Its plastic body fits neatly under the dash, delivering a classic relay click sound while supporting easy troubleshooting with optional polarity adapters and dedicated customer support.

Specifications

ASIN	B075G5XX5K
Best Sellers Rank	#167,662 in Automotive ( See Top 100 in Automotive ) #54 in Car Flashers
Brand Name	United Pacific
Circuit Type	1-way
Color	Black
Compatible Devices	Vehicles with LED tail lights, front turn signals & side marker
Compatible with Vehicle Type	Car, Truck
Connector Type	Spade
Current Rating	20 Amps
Customer Reviews	4.4 4.4 out of 5 stars (480)
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	0.07 Pounds
Manufacturer	United Pacific Industries
Model	90650
Number of Items	1
Number of Positions	2
Operating Voltage	12 Volts
Part Number	90650
Switch Type	Flash Switch
Terminal	Spade
UPC	710270906505 680474699636
Unit Count	1 Count

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₨546

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Seychelles.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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