Can I use a smaller fuse?

Yes, you totally can. The overall load through the circuit should be about 80% of the rating of the fuse. Hope this helps.

is the fuse for output power to the accessory ?

The fuse is protecting the source voltage supply on the #30 terminal. In theory this also protests the accessory wired to the #87 terminal because if the source sees a spike and blows the fuse the output will not see any current. To be safe you can also fuse anything connected to the accessory side of the relay on the #87 terminal independently.

I have two 18w led aux lights hooked up to ome of these and its jimped into my parking lights. Why is ut buzzing?

The only thing i can think is the holding coil. Do the lights flicker

These relays have built -in peak suppression diode?

No, these relays do not have built in flyback diodes.

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True MODS 6 Pack Bosch Style 4-Pin 12V Fused Relay Kit SPST 30 Amp

True MODS 6 Pack Bosch Style 4-Pin 12V Fused Relay Kit SPST 30 Amp

Product ID: 37076444

Details

Connector Type
Quick Connect
Contact Material
Silver Plated
Contact Type
Normally Open
Current Rating
30 A
Mounting Type
Panel Mount

⚡30A high switching power

🔌Built-in fuse socket w/ 30A blade fuse

🛠️Heavy-duty 14AWG wiring

S$42

Duties & taxes included

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Description

⚡ Upgrade your ride’s electrical game with Bosch-style power and protection!

INTEGRATED SAFETY - Built-in fuse socket with included 30A blade fuse protects your circuits seamlessly.
SPACE SMART DESIGN - Compact Bosch-style 4-pin relay reduces installation footprint in tight spaces.
TRUSTED DURABILITY - Silver-plated copper contacts ensure long-lasting, noise-free operation under heavy loads.
POWERHOUSE PERFORMANCE - Handles up to 30 amps with Bosch-grade reliability for your automotive needs.
PLUG PLAY CONVENIENCE - Quick-connect harnesses with color-coded wiring simplify professional-grade installs.

The True MODS 6 Pack Bosch Style 4-Pin 12V Fused Relay Kit offers six high-quality SPST relays rated for 30 amps with built-in fuse sockets and heavy-duty 14AWG wiring. Designed for automotive and off-road applications, this compact kit ensures reliable, noise-free switching with quick-connect harnesses for easy installation. Trusted by professionals, it combines Bosch-style durability with integrated circuit protection to optimize your vehicle’s electrical system.

Specifications

ASIN	B01NBAO1SA
Best Sellers Rank	#30,811 in Automotive ( See Top 100 in Automotive ) #13 in Automotive Replacement Starter Relays
Brand Name	ONLINE LED STORE
Coil Resistance	80 milliohms
Coil Voltage	12 volts
Connector Type	Quick Connect
Contact Current Rating	30 A
Contact Material	Silver Plated Copper
Contact Type	Normally Open
Current Rating	30 A
Customer Reviews	4.7 4.7 out of 5 stars (2,370)
Item Highlight	Interlocking Harness Socket, Fused, 14 AWG, SPST, 30 Amp, 12 Volt Automotive Relays, For Auto Car Truck Fan RV
Item Weight	12.8 ounces
Manufacturer	ONLINE LED STORE
Maximum Switching Current	30 A
Minimum Switching Voltage	12 volts_of_direct_current
Model	PSZACCEPS179R
Mounting Type	Panel Mount
Number of Items	6
Operation Mode	Automatic
Part Number	PSZACCEPS179R
UPC	816165023880
Wattage	18 watts

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