batteries dead every day & no turn signals

[cnidy1230]

this started 2 weeks ago. Parked my 2004 f-350 for a week waiting on new oil pan since old one rusted out. went to start after install and saw low voltage. put it on charge and started no problem. now if it sits for more than 6 hrs doesnt have enough voltage to start. cleaned all the posts and still having problem. went to autozone and had them load test both batteries and tested ok. checked the draw and only came up with .3 amps? not sure what else to check. also new problem today, no turn signals. brake lights work. no voltage coming out from multi switch. wiring diagram says there is a relay behind glove box I can not find it. any help is great! Thanks

[2003kingranch]

id buy a set of battery's. mine did the same thing. they tested fine but they had an internal short that was draining them. went and got two new battery's and bam never started better

[PGreenSVT]

Yeah the testers that Auto Zone, Advanced, etc. use to test batteries are not reliable. I had my truck in for warranty repairs and Ford called and said they couldn't complete their diagnostics because my batteries were bad. These were Red Top Optimas less than a year old. I took the truck and went to Advanced where I got the batteries and had them test them. They said the batteries were good. I took the truck home and hooked my multi-meter up and you could see the batteries bleeding off. I took it back to Advanced and showed them with my meter and made them replace the batteries, then took it back to Ford to finish up the work.

Moral of the story? Don't trust parts store battery testers.

[HAM_RADIO_MAN]

I wonder if this could be related to the recall Ford just put out in regard to the turn signal switch.

[HAM_RADIO_MAN]

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A defective switch that could cause brake lights, tail lights and turn signals to fail is responsible for the latest recall on Ford trucks and SUVs. “The National Highway Traffic Safety Administration said today on its website that the recall affects certain 2004 through 2011 Ranger pickups, 2002 through 2005 Excursion SUVs, and 2002 through 2007 F-250, 350, 450 and 550 trucks,” writes The Detroit News.

The recall affects trucks and SUVs that received the switch during assembly, but also may affect vehicles that had it installed as a replacement part. “About 20,450 trucks in the U.S. are affected, plus Ford is recalling more than 6,000 of the switches that were sent to dealers as replacement parts,” says Forbes. “Ford says it knows of no accidents or injuries caused by the problem.”

NHTSA says that a subcomponent of the switch could deform, potentially causing the failure and increasing the risk of a crash. Dealers will replace the defective switch free of charge, and the recall is expected to begin in the middle of August. If you think your Ford truck or SUV is affected, you can call the Ford Motor Company Customer Relationship Center at (866) 436-7332.