Well that was ^what I was told, do you have an electrical system schematic for the Perkins diesel then.

are you absolutely sure on this serial number?
it does not match hyster serial number layout unless this truck is very old.(pre 2000). i suspect it is because of the B suffix on the model number.

hypass has very limited information on this truck series, only engine i can find listed is the perkins.
maybe someone here can come up with a manual or info they have onhand.
sorry i'm not able to find anything useful