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post #1 of 3 Old 03-31-2013, 05:09 PM Thread Starter Rookie
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Exclamation Need Help with 2002 F350 7.3!!!

Hi guys I've searched and searched but I'm not sure what the answer might be. I had to do some welding on my bed this weekend and idiot me forgot to remove the batteries. I also installed HID headlights and fog lights. I finished everything I was working on and went to start the truck. No voltage to fire. The batteries were drained. I put it on the charger and it fired after a few minutes. I noticed the ABS light on after everything was finished also. I have always been told welding on a vehicle without disconnecting the battery can fry it. Any truth to this? I also read with powerstrokes when a battery is going bad the ABS light will come on. Someone please help. All suggestions are appreciated

2002 F350 6 Speed
4" Diamond Eye Dual Exhaust
Edge Evo
TS Chip with PHP Tunes
DIY Intake
Foil Delete
XDP X-Wheel
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post #2 of 3 Old 03-31-2013, 06:56 PM
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welding with the batteries is a issue when there is not a GOOD ground close to where you are welding. causing it to find a alternative path through the vehicle. i have never disconnected battery's when welding, always had a good ground and never had a problem.

i have read several horror stories about HID's causing problems, being unplugged and solving problems. would start with the HID's.

95 F350 CCLB, ZF5, 6637, MBRP dp to 4", GTP38, intercooled, 3" plenums, DIY E-FUEL, TE17*, TS 6 pos, 140v IDM, boost fooler, leveling kit, 315/75/16's, boost, pyro, oil temp

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post #3 of 3 Old 03-31-2013, 07:27 PM Rookie
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ABS light with HID's

Your ABS light should go out once you drive down the road a bit. For the HID's...did you connect the main power from the ballast to the battery thru a relay first? Here's a link to what I mean.

If you connect the HID's to your factory plug-in's you run the risk of burning out the circuit to the ECM. You will need two relay harnesses. One for the HID's and the other for the Fogs. Hope this helps.
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