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cad · 09-23-2019, 09:39 AM

Hi Jeff,
I fought this in my newly finished 97 S10 last year. I had about the same amount of voltage in the water with an anode. After pulling my hair out and finding a wet spot on the floor where it finally made a hole in the brand new Griffin radiator, I finally took a heavy ground wire with alligator clips and started testing grounds from everywhere. I finally found mine which was ground stud on wiring panel to the floor pan. I finally had no voltage in the water.

Prior, it didnt matter if I had the battery connected or not. I tried tap water, deionized water, water wetter, etc.

It needs a ground somewhere.

Clark D
Omaha NE

09-23-2019, 09:39 AM	#3
cad Senior Member Join Date: Apr 2009 Location: Omaha, NE Posts: 702 Likes: 202 Liked 91 Times in 51 Posts	Re: Voltage in radiator water Hi Jeff, I fought this in my newly finished 97 S10 last year. I had about the same amount of voltage in the water with an anode. After pulling my hair out and finding a wet spot on the floor where it finally made a hole in the brand new Griffin radiator, I finally took a heavy ground wire with alligator clips and started testing grounds from everywhere. I finally found mine which was ground stud on wiring panel to the floor pan. I finally had no voltage in the water. Prior, it didnt matter if I had the battery connected or not. I tried tap water, deionized water, water wetter, etc. It needs a ground somewhere. Clark D Omaha NE