There are quite a few electrical diagrams in the Service Manual. If you need to know a lot about the electric system (wires, harness, and there locations) then YES, get the Electric Manual.
If not, then Bruno1453's suggestion is the way to go.
-Nestor
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2000 CCS EX-NAVI
If not, then Bruno1453's suggestion is the way to go.
-Nestor
------------------

2000 CCS EX-NAVI