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Old Mar 8, 2008 | 07:41 PM
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Question Long crank times

My truck has been taking a long time to turn over the past few days, there is quite a bit of corrosion on the battery terminals that I'm going to clean up while I'm working under the hood this weekend. I do have at least 1 bad GP as well, that project is on the "awaiting funding" list right now. Anything else that might be the culprit?
 
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Old Mar 8, 2008 | 07:49 PM
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Ever replaced the starter? They don't last forever. If the batteries load test good, and you get the terminals squeaky clean, one bad GP is not going to slow down your starting ability all that much, whereas a worn out starter will. I am speaking from been there done that.
 
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Old Mar 8, 2008 | 08:28 PM
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Mark- no. I just bought the truck 2 weeks ago tomorrow. It did fine for the first week, then the past few days I noticed much longer crank times. If/when I get it back together I'll see what shakes out, hopefully the starter is okay because I imagine that bugger doesn't come cheap.
 
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Old Mar 8, 2008 | 08:45 PM
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Little less than 200 bucks, but not to hard to change even for an old fellow like me. Good luck.
 
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Old Mar 8, 2008 | 08:45 PM
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Has the weather been different over the last few days? Does the truck take longer to crank when it's warmed up too, or just when it's cold? How old are the batteries?

I agree with Mark on one bad glow plug not being enough to make a difference. Have you tested the GPR to make sure you have power on both sides of the relay?
 
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Old Mar 8, 2008 | 10:41 PM
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Originally Posted by superduty4x4
there is quite a bit of corrosion on the battery terminals that I'm going to clean up while I'm working under the hood this weekend.
I see you live in OR. Here in CO, with extreme temperature variables (70 degrees on one day, 20 degrees and snowing the very next) I find that I have to thorougly clean my terminals and cable connections about every three months.

Mark and Chris might be onto some other problems you might be having, but its amazing how just a single corroded post can cause you some problems.
 
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Old Mar 8, 2008 | 10:46 PM
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Chris- temp doesn't seem to affect it, both batts appear to be fairly old, possibly original to the truck. GPR not tested- I need to buy a multimeter (is there another way to test it, and where do I find it? I'm new to the PSD, don't laugh! ) Both batt's will be cleaned up and grease applied to keep the corrosion from persisting, hopefully tomorrow. Once I get it back together I'll keep everyone updated.
I've only had this truck two weeks (tomorrow) and I've already spent $500 more on it than I spent on my old truck in nearly 5 years of owning it- NO MORE PARTS ARE ALLOWED TO FAIL! (okay, so most of the $ spent was on exhaust and gauges, but it needed those...)
 
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Old Mar 8, 2008 | 10:51 PM
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Originally Posted by superduty4x4
(is there another way to test it, and where do I find it? I'm new to the PSD, don't laugh! )
Chris is probably onto something with the old batteries.

Next time you go out to start the truck, and it doesn't want to start for ya, grab a helper. Have them hold a screwdriver (one with a plastic handle) over the two large posts of the GPR. If this relay isn't working, the screwdriver will allow power to move through to your GP's..and the truck will start like magic.
 
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Old Mar 8, 2008 | 10:53 PM
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Originally Posted by Smokin'
Chris is probably onto something with the old batteries.

Next time you go out to start the truck, and it doesn't want to start for ya, grab a helper. Have them hold a screwdriver (one with a plastic handle) over the two large posts of the GPR. If this relay isn't working, the screwdriver will allow power to move through to your GP's..and the truck will start like magic.
It starts fine, but cranks a bit longer than normal. Where is the GPR so I can try this out though?
 
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Old Mar 8, 2008 | 11:05 PM
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Originally Posted by superduty4x4
It starts fine, but cranks a bit longer than normal. Where is the GPR so I can try this out though?
Chase, I'd bet your batteries aren't up to par, especially since it does it no matter the temperature.

BUT..hard starts could point to a malfunctioning GPR, which means your fuel isn't getting sufficently heated for starting. If you want to test your GPR, you can try to jump it with a screwdriver. IF the truck starts easily after you arc the two large posts on the relay, then that will signal that you have a problem there.

The GPR is basically a starter relay. It has 4 posts, two large and two smaller auxillary posts. Yours will probably be made out of brown plastic. It sits just behind the fuel filter on the top of the motor. Someone on here posted a great picture of the GPR a few days ago, with labels and everything and I just can't seem to find it.
 
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Old Mar 8, 2008 | 11:09 PM
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Lisa has the right idea. Here's a pic of the GPR from standing by the drivers side front fender. You can see the round fuel filter bowl in the pic. The slightly larger relay next to it is the AIH which I don't believe they had on the 99 models so feel free to ignore that one.
 
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Old Mar 8, 2008 | 11:16 PM
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Originally Posted by F350-6
The slightly larger relay next to it is the AIH which I don't believe they had on the 99 models so feel free to ignore that one.
That is correct! AIH relay is missing from the '99's.
 
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Old Mar 8, 2008 | 11:35 PM
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Well if I get my intake re-assembled tomorrow I'll give it a shot. I'm not looking forward to the bill for 2 new batts...
 
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