cummins wiring
07-03-2008, 08:10 PM
#17
Adminstrator-ess
No, the KSB gets power when the engine is cold to advance the timing at low RPM. Trace those wires and just leave them on the engine, that'll save you a little work. 
07-05-2008, 10:16 AM
#20
Registered User
I live in a colder climate than you and all I wired in my crew cab conversion was the alternator, starter and run/stop solenoid at the injection pump. Trust me, that is all you need.
Alot of good a fuel heater AT the engine is gonna do when your fuel is gelled IN the fuel tank
. I run fuel additive all year round. At minimum you need to run it during the colder months to assure your fuel doesn't gell up. Plus for most of these old trucks the wiring isn't the greatest, go out there right now, summertime with a test light, I just about guarentee the heater will be ON. Hmm long life for the VE is to keep the fuel cool, not so good heating the fuel to it when the outside temps are 70*+.
Being your engine is an intercooled engine you won't need to power the ksb because it will run normal timing without power, unlike a nonIC'd engine. Many of us IC'd guys will keep the ksb unplugged because it likes to remain energized and advance timing when outside temps are well over the freezing mark, like in the summer.
What's left, the grid heaters? I'll say it again, as long as you have an air tight fuel system, BIG battery, such as a 1200cca Deka, electrical/charging system up to snuff, you should be able to start the engine sans grid heater to around 15*F. If not, nothing a little puff of ether won't fix. My 2 cents
.
Alot of good a fuel heater AT the engine is gonna do when your fuel is gelled IN the fuel tank
. I run fuel additive all year round. At minimum you need to run it during the colder months to assure your fuel doesn't gell up. Plus for most of these old trucks the wiring isn't the greatest, go out there right now, summertime with a test light, I just about guarentee the heater will be ON. Hmm long life for the VE is to keep the fuel cool, not so good heating the fuel to it when the outside temps are 70*+. Being your engine is an intercooled engine you won't need to power the ksb because it will run normal timing without power, unlike a nonIC'd engine. Many of us IC'd guys will keep the ksb unplugged because it likes to remain energized and advance timing when outside temps are well over the freezing mark, like in the summer
. What's left, the grid heaters? I'll say it again, as long as you have an air tight fuel system, BIG battery, such as a 1200cca Deka, electrical/charging system up to snuff, you should be able to start the engine sans grid heater to around 15*F. If not, nothing a little puff of ether won't fix. My 2 cents
.
07-05-2008, 10:31 AM
#21
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Join Date: Apr 2008
Location: bastrop, texas
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That does make alot of sense about the fuel heater. I'de love to see some pictures of your crew cab conversion. I've got a spare wiring harness and I will probably be going through it wire by wire separating what I need and don't need. Thanks for all the help guys.
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