Mason Temperature Alarm

Technical questions and answers about the Mazda Bongo

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mazdalee
Apprentice Bongonaut
Posts: 3
Joined: Wed Jun 08, 2016 10:07 am

Mason Temperature Alarm

Post by mazdalee » Wed Jul 09, 2025 7:46 pm

HELP!

Our Bongo came with a Mason Temperature Gauge Mod/Alarm when we bought it nine years ago and it annoyed me beeping so I removed it.
Anyway 9 years on and many miles it got hot and it boiled up a few weeks ago due to a stuck thermostat. I thought I had the fitting instructions for rewiring it back on the the instrument cluster but have been unable to find them. Can anyone help with a picture please?
I tried wiring it as per a picture I found
Bongo IC.PNG
but it does not work unless I remove the blue wire and reattach it then it works till I cycle the ignition.

Any advice much appreciated from a silly man in Cheshire that removed something that he shouldnt :roll:
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