Which wire goes to which capacitor terminal?
It matters exactly where each connector goes, but replacement capacitors often have a different terminal layout than the original. Even if you color-code the old setup before disconnecting it, mapping those wires to an unfamiliar new part leaves you second-guessing your connections.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
Found another way around this?
Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.
- 1tracing the wires down to see if they go to the compressor or fanDid this help you?
- 2checking the unit's wiring diagram for the color schematicDid this help you?
- 3Marking the original wires and terminals with colored markers before disconnecting themDid this help you?
- 4Asking the parts vendor for advice on wiring compatibilityDid this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“does it matter where I put what connector to which cap terminal?”source ↗
“I marked them on the oem cap with colored markers but how I do I know on the white cap given to me”source ↗
“4 wire connectors, 4 terminals on capacitor. which to which if they are not the same?”source ↗
Where this came up
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