FJ73 electrical issue so annoying

FjSwb

New Member
I am in australia
Mar 24, 2020
1
0
1
Hi all I have a FJ73 mwb 1985 but it has an engine conversion professionally done back in 2005 and was converted to a 5.0L 304 v8

I have taken it to Numerous auto sparkies and they could not Find the issue which is example; like the indicators the volts would copy the indicator blinking, A/C, headlights when I drive the car is at 14v and once stopped at the lights it drops under 12v with everything turned on. Once everything if off the volts still drop to 12v and then once driving it goes up again,

I have an external volt gauge wired up too to show the values

I’m guessing the 140amp alternator is not enough ? Bad ground ?

any help would be much appreciated
 
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