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sprinkles08
sprinkles08, ASE Certified Technician
Category: Mazda
Satisfied Customers: 22826
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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The warning lights, speedometer, tachometer, and ac clutch

Customer Question

The warning lights, speedometer, tachometer, and ac clutch does not work
JA: Has the clutch been slipping? Are you having any trouble shifting?
Customer: no, I shorted B+ and Ground in the diagnostic connecter trying to read and engine code
JA: What is the model/year of your Mazda?
Customer: 1995 mazda millenia
JA: Are you fixing your Millenia yourself? What have you tried so far?
Customer: yes check all fuses are good
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 11 months ago.
Category: Mazda
Expert:  sprinkles08 replied 11 months ago.

Hello and welcome to JustAnswer!

It's possible that the instrument cluster was damaged but it's more likely that you blew a fuse. If it was actually a power feed and ground that were jumped in the data link connector then it shouldn't have done anything but blow a fuse. If it was actually a data bus wire for instance that battery voltage was applied to then the instrument cluster could have been damaged.

What were the actual wires that were jumped together?