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Originally Posted by sweetbmxrider
no parallel. thats why i kinda had this face goin  i did a quick check on alldata and i am going to do some further testing tomorrow. |
I don't know too much about the chevy diesels, but another thing to keep in mind is glow plugs (I think chevy and ford use them, Dodge has grid heaters). They are a big draw because they are dead short heating element. If you are cranking while the glow plugs/grid heaters are on/cycling, you'd see a big drop in voltage. When its cold out and I haven't plugged in, my charging system will surge (down to about 10 volts then back to 14) as the grid heaters cylce on and off. It everything else checks and you do in fact have glow plugs or something similar make sure that circuit isn't hanging open.
Chris