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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⚡ Power your AC with precision and reliability — don’t let your comfort run on yesterday’s tech!

ROBUST 440 V RATING - Built to exceed standard 370V capacitors for enhanced durability and safety
SAFETY FIRST DESIGN - 10,000 AFC safety rating guarantees reliable, long-lasting operation under heavy loads
OEM GRADE COMPATIBILITY - Seamlessly replaces major Carrier and industrial HVAC capacitors without hassle
PRECISION 5 MFD CAPACITANCE - Ensures optimal motor start and run performance with ±5% tolerance
EXTREME TEMPERATURE RESILIENCE - Operates flawlessly from -40℃ to +85℃, perfect for all climates

This premium 5 MFD ±5% run capacitor is engineered for air conditioners, heat pumps, and fan motors, rated at 440VAC for superior voltage tolerance. Its oval design fits most Carrier and industrial HVAC units, operating reliably across extreme temperatures (-40℃ to +85℃) with a high 10,000 AFC safety rating, ensuring long-lasting, efficient motor starts and runs.

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