i forgot to mention, my car wont start if i remove the diagnostic cap, it only cranks and flooded, after putting back the cap, its really having hard time to fire up, due to flooded, i pull off the fuel pump fuse so it wont get more flooded, give it a good crank to remove the excessive fuel, put the fuse back in, it fires right up..
Just a suggestion, and you may not be up for this.
There are some very nice DC Clamp-On Ammeters available from China. (Only a minority of clamp-on-ammeters can measure DC current.)
I would draw about 10 A of current, and then use the Clamp Ammeter to trace the path that this current is taking through the harness. This gives you X-Ray vision for the current path, so you can find the short circuit.
This works if you are Sherlock Ohms.
i understand what you are trying to say, but clamp on meter works on single cable, on our car harness, those single cable wouldnt go straight, there will be twist of here and there,
say example one cable is drawing 5 amps, and the cable next to it is drawing 15 amps, if i clamp on two of these, it will give out 15 amps.
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