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11 25 DEB V oltage is applied through fuse E1 18 and relay G 126 to D814 (UPEC electronic unit) and through fuse E184 to valves B192, B247 and B248. Depending on unit D 814, relay G 126 is activated, after w hich voltage is applied to exhaust brake valve B 192 and engine brake (DEB) valves B247 and B248. Depending on unit D 814 these valves are connected to earth or are not connected to earth. SEE THE SYSTEM MANUAL FOR M ORE INFORMA T ION 200520 3-76 5 CHANGES IN THE ELECTRICAL SYSTEM Changes in the electrical system from chassis number 0E646818 CF65/75/85 Serie ≥0E621376 |