yeah, forgot about that part -- you need to connect a light bulb to the alternator excite wire to get it to chargeOk update on this. The truck did start and run but now the batteries are dead and I'm stuck at work lol. I'm guessing that the alternator is not being told to charge the batteries. I'm not worried that if I do jump it that I won't make it home because my air dog pump might run out of juice.
Yep already been through that last year lol. Had to put in a new alternator and batteries. I am going to try to find a ride now. I thought the cluster would be back this week but shipping was stupid expensive and I had to send it slower than I wanted to.the earlier powerstrokes have an infamously lousy charging system so if your batteries are say 3 or more years old probably best to replace them once your cluster is back. Do you have the ability to bum a ride to/from work or use a spare car till the cluster gets back to you?
If I jump the truck will it make enough power to run the fuel pump without the light mod on the alternator? I just need to get it home at this point.yeah, forgot about that part -- you need to connect a light bulb to the alternator excite wire to get it to charge
a truck clearance light (bulb type) will work -- one of those yellow or red like you see on the flat beds
the "charge" light in the instrument cluster does this, aand since you dont have a cluster = no charge
Unfortunately I don't have access to any of this at work and no parts store close. Do you think I could jump the truck and not excite the battery and still drive it home? I have a feeling that the air dog pump will quit when it drains that battries.Connector C220b terminal 12 Lg/Rd is the wire that leads to the alternator
you could connect a lamp (bulb type test light or clearance light) to this and the other side of the bulb to B+ (has to be switched)
C220c (I done see a wire color) is the 'hot' wire for the light
Yeah, jump it but leave the jump vehicle on the truck a while -- the battery is low and you dont want to over heat your alternator trying to charge low batteries
do you have a source for a small light where you are?
parts store, big truck shop?
just a test light would work
usually the light does not have to be connected all the time, just a hit to "excite" the alternator
Don't worry about it, I knew something like this was a possibility. Good info on the low batteries being bad for the IDM, I had no idea about that.Low batteries are really not good for the IDM
I apologize for not thinking about the alternator, when I suggested driving without the cluster.
Exciting the alternator with a marker light (incandescent) will get you by until the cluster gets back to you
any auto parts or walmart should have them
You had it fixed a couple of years ago and the lights are already burned out, or you had it fixed because lights are burned out?I did not think you could...but not starting seems to ring a bell when I sent my cluster in. Two years tho, and the left side bulbs are burnt out. Thank you circuit board medics.