- 08-17-13 01:31 PM #1Cadillac Owners Member
- Automobile(s): 03 cts
- Join Date
- May 2013
auxiliary water pumo
what does it do
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- 08-17-13 02:17 PM #2
From what I hear, haven't looked for myself. It's for the heater core for the cabin.
If that is the case, I assume it wouldn't have power going to it if the heat isn't on. But I don't know.