i am having a puzzling backup camera issue    i hard wired a backup camera a few years ago    quit working no obvious cause    ordered a new one  

so cant get it to work

i have 12 volts  going  to the switch and 12 volts to the outlet tab on the switch when car is in reverse but when i hook up the white wire that goes to the back up lights  i get no voltage on either side of the switch  if i use a power probe go the wire that would go to the back up lights (the white wire) the lights come on  i tried a second back up light switch w same result    no fuse blown or wires heating up

any ideas?

thanks in advance

joe

Original Post

If as per what I've read;

the "G" wire from fuse to switch would be damaged.  enough conductivity to show 12Vs with no current flow.   (usually such damage will burn itself open when load is applied!)

Measure resistance from switch to fuse for both the original and your new wire

 

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