Original had 3 wires coming from the capac instead of three labeled spade connectors. two red, one brown. brown to b, 1 red to c. any wiring help?

What I did was had label facing me. And I removed one wire at a time matching each move

My furnace makes a big hum when starting the blower motor. Could the problem be a weak capacitor?

Only if it has a weak one. These are normally found at A/C compressors.

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45/5 uF 45+5 MFD 370V/440V Dual Run Start Round AC CBB65B Capacitor 45 5 uF 370/440 Volt VAC Air Conditioner Capacitor for AC Unit Fan Motor Start, Heat Pump, Condenser Straight Cool

45/5 uF 45+5 MFD 370V/440V Dual Run Start Round AC CBB65B Capacitor 45 5 uF 370/440 Volt VAC Air Conditioner Capacitor for AC Unit Fan Motor Start, Heat Pump, Condenser Straight Cool

Product ID: 82587360

Details

Brand
The HVAC
Capacitance
45 microfarad
Material
Aluminum
Maximum Storage Temperature
85 °C
Shape
Round

⚡45+5 µF dual capacitance

🔋370/440V high voltage rating

🌡️-40℃ to +70℃ wide temp range

S$39

Duties & taxes included

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Description

⚡ Power your cool with precision – the capacitor that keeps your AC ahead of the curve!

PLUG PLAY REPLACEMENT - Direct fit with labeled terminals (Herm, Fan, C) – no rewiring or adapters needed
COMPACT DURABLE DESIGN - Sleek 2"x4.4" aluminum body built to withstand extreme temps from -40℃ to +70℃
TRUSTED HVAC GENIUS QUALITY - Top-rated with 4.7 stars from 969 reviews – reliable, cost-effective DIY upgrade
DUAL CAPACITANCE POWER BOOST - 45+5 µF run capacitor for compressor & fan – optimized motor start performance
UNIVERSAL VOLTAGE COMPATIBILITY - Works seamlessly with both 370V and 440V systems – future-proof your AC unit

The HVAC Genius 45+5 uF dual run capacitor is a premium, round aluminum capacitor designed for air conditioners and heat pumps. Rated for 370/440 volts and operating across a wide temperature range (-40℃ to +70℃), it ensures reliable motor start support for both compressor and fan. Its compact size and labeled terminals make it a straightforward, no-fuss replacement compatible with many HVAC models, delivering professional-grade performance and excellent value for DIY enthusiasts and pros alike.

Specifications

ASIN	B07F2S59XF
Best Sellers Rank	#105,863 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #762 in Industrial Electrical Capacitors
Brand Name	The HVAC Genius
Capacitance	45 microfarad
Capacitance Tolerance	6
Customer Reviews	4.7 4.7 out of 5 stars (970)
Global Trade Identification Number	00850002496024
Included Components	Capacitor
Item Dimensions W x H	2.46"W x 4.41"H
Item Shape	Round
Manufacturer	The HVAC Genius
Material Type	Aluminum
Maximum Storage Temperature	85 °C
Maximum Voltage	440 volts
Model	45-5 MFD Round
Mounting Type	Through-Hole Mount
Number of Items	1
Operating Voltage	440 volts
Part Number	THVAC-CAP-Parent
UPC	850002496024 817506023163
Unit Count	1 Count
Upper Temperature Rating	85 °C

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