Said It Here

Where to find replacement multi-pin connector plugs for circuit boards

Replacement multi-pin plugs like Molex connectors are extremely hard to source individually when an original plug burns out or breaks. When exact-match plugs can't be found or repinned, technicians are forced to consider risky workarounds like bypassing the board entirely with a contactor.

Overview
People affected2 accounts across 2 forums
Workarounds found3 items attempted
Community agreement4 total upvotes

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.

  1. 1
    bypass the board entirely and use a contactor
    Did this help you?
  2. 2
    Asking on mechanic forums for someone with access to OEM wiring diagrams
    Did this help you?
  3. 3
    Looking up OEM connector end views
    Did 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.

r/AskMechanics1 person · November 2026

“tugged on the wire loom too hard and ripped the wires right out of the Cam Sensor. I ordered a pig tail to replace it but now I need help in getting the correct wiring order.”source ↗

512emanresu · r/AskMechanics · 2 upvotes
r/hvacadvice1 person · October 2026

“When I replaced it the 7 pin connector was found bad that plugs into the top.”source ↗

“The molex plugs are super hard to find from what i've read so if I can't find one could I just by pass the board entirely and use a contactor?”source ↗

chupacabra45 · r/hvacadvice · 1 upvotes

“I know it isnt the most ideal, but its for my brothers uncle and the top plug is toast.”source ↗

chupacabra45 · r/hvacadvice · 1 upvotes

Where this came up

People with this problem also raised