ELECTRIC WIRING
TNV IDI Service Manual
12-5
Battery Cable Resistance
BATTERY CABLE RESISTANCE
Note: Total allowable resistance of the complete battery cable circuit (positive cable + negative cable + a*)
(a*: Resistance (
:) of a battery switch or other electrical equipment having high resistance)
Note: For starter motors of less than 2.68 HP (2 kW): the total resistance must be less than 0.002 Ω. For
starter motors of greater than 2.68 HP (2 kW): the total resistance must be less than 0.0012 Ω.
AWG mm²
Maximum Total Battery Cable Length
(Positive Cable + Negative Cable + a*)
12V Starter Motor Output
Less Than 2.68 hp (2 kW) Greater Than 2.68 hp (2 kW)
mftmft
6 15 1.5 4.75 N/A N/A
4 20 2.3 7.4 N/A N/A
2 30 3.8 12.6 2.3 7.5
1 40 4.6 15.3 2.8 9.2
0 (1/0) 50 5.9 19.5 3.5 11.6
00 (2/0) 60 7.0 22.8 4.2 13.7
000(3/0) 85 9.3 30.5 5.6 18.3
0000 (4/0) 100 11.9 39.0 7.1 23.4
00000 (5/0) 125 N/A N/A 8.3 27.3
000000 (6/0) 150 N/A N/A 10.1 33.3
TNV_IDI_ServiceManual_A4.book 5 ページ ２０１２年２月２４日 金曜日 午前１０時２４分
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