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Ford
F-350
Electrical
Battery
Replace/Remove
How to instal dual batteries
1989 FORD F-350
120,000 MILES • V8 • 4WD • AUTOMATIC
ALASKAWILL
MEMBER
2 POSTS
dual battery installation for '89 F350
Nov 30, 2010 at 12:42 PM
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FIXITMR
✓
Experienced Mechanic
9,989 POSTS
find a spot for battery to fit/install and run connections(cables) to same as original battery.
Nov 30, 2010 at 1:47 PM
FIXITMR
✓
Experienced Mechanic
9,989 POSTS
to be effective, the farther you run the cables the heavier the wire should be. as long as it's under the hood. the standard cables should be fine.
Nov 30, 2010 at 2:38 PM
ALASKAWILL
MEMBER
2 POSTS
thanks very much.
Nov 30, 2010 at 3:17 PM
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