Pre-Power Stroke Diesel (7.3L IDI & 6.9L)Diesel Topics Only
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I always put positive to positive and the negative of the jumper truck to a ground (not the battery).
It's best not to spark near the battery since they emit hydrogen gas. That's why I pick a ground other than the battery. Just a thought.
1986 F-250HD XL Supercab 2X4 351W C6 (Daily Driver) 300K+ miles no rebuilds no smoke
1986 F-250HD XLT Lariat Supercab 2X4 6.9L IDI Diesel T19 4spd 200K+ miles on truck 100K on rebuilt engine
1986 F-250HD XLT Lariat Supercab 4X4 6.9L IDI Diesel C6 300K+ miles on truck 40K on rebuilt engine
i have jumped mine off my girlfriends toyota.it wasnt easy on her car but it worked.you might use a gas soaked rag over the intake though to make it fire faster.i used a small burst of ether.(very small!!)
If you're gonna start it on ether, make sure you have the glow plugs shut off, this is doable by removing the white wire from the top of the glowplugs relay behind and under your air cleaner box - without that wire the glowplugs controller cannot ground the relay's control circuit, and therefore the glowplugs will not get any power.
As for the actual jumping, whenever I was jumping my buddy's truck (old batteries, bad glow plugs, etc) I'd always use two sets of cables and connect battery to battery, then hit the high-idle so my alternator ramps up the power output to somewhat boost the batteries - worked like a charm every single time, till eventually he got big commercial batteries and new glow plugs and he no longer needs my services in that department Ideally, the safe way would be hooking the negative cables from both of my batteries to somewhere on his engine, and not his batteries, but then again every time I try that way the jumped vehicle refuses to start, so by now I just do it first and honestly expect it to not work at all - don't help most new vehicles have all their engine stuff covered in plastic, good luck finding a good engine ground on those...
Anytime I have to jump my 88 off I get two buddies to jump me. I always carry two really good sets of jumpers, and even then I let them charge my truck for a good 5 minutes before tryin to bust her off.
1999 F250 7.3 ZF6 4x4 3.73's 200k miles
1997 F250 7.3 ZF5 2wd 4.10 430K miles Dr. Ron Paul 2012!!
I've been actually meaning to hard-wire some jumper terminals to both my batteries, ya know, how tow trucks have it - then all I need to do to give or receive a jump would be plug the cables in and clip them on the other vehicle.
Well I was thinking of putting the jump connectors on only one side, the one that goes in my truck - after all, I will be using them to jump my own truck from someone else's, or someone else's vehicle from my truck, either way one end is always connected to my truck, so it will work out fine. Also, even tho there is amperage drop across the connectors, is that any worse than the the drop across the alligator clamps on the battery terminals?
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