is 13.02 a appropriate volt reading for my alternator

Asked by Jul 07, 2016 at 03:41 PM about the 2009 Mazda MX-5 Miata Grand Touring Hardtop Convertible

Question type: Maintenance & Repair

my alternator reads around 13.02 when running, under a load its about the
sae, is that an acceptable volt reading or is it low

2 Answers

25,855

It's lower, but it's not too low. Are you having issues with the charging system?

in a nutshell, my viper remote starter wouldnt stay on when i started the car, it would continually restart and shutoff. the installer said it wasnt recognizing my car charging. and i was told my voltage was to low.

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