Frequently Asked Questions
Questions about our products.
Questions by category are on the righthand side of the page...
Battery-Related Products
What is the voltage drop between the center stud (alternator terminal) and the battery terminals?
The forward voltage drop is approximately from 0.7V to 1V (Function of the forward current)
Battery Isolators
According to the wiring diagram the battery to the "S" must be connected to the primary terminal (yellow wire). My alternator does not have an "S" terminal.
In this case disregard this part of the installation instruction.
How is the Battery Isolator current capability defined?
Maximum alternator rating is the maximum charging current capability of the Battery Isolator for both batteries.
What type of Battery Isolator should be used with the Delcotron CS Series alternator?
Use the four terminal Battery Isolator (Cole Hersee 48122, 48092 or 48162). The fourth terminal (#10 stud) is used to excite the alternator. It supplies +12V to the alternator when the ignition switch is turned On.
