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Thread: Adding another battery in back |
    
Silver Member Username: Prozack52
Cincinnati,
2-D615D4 Dia...
Post Number: 255
Registered: Feb-08
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| Posted on Sunday, March 30, 2008 - 09:00 pm: |
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do i need two more fuses for the extra battery or can i just jump power and ground to the battery, the existing battery in the back already has two fuses just did not know if a needed two more or just jump ground and power to second battery thanks |
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Gold Member Username: Tejcurrent
Post Number: 1235
Registered: Apr-07
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| Posted on Sunday, March 30, 2008 - 09:43 pm: |
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I would try to fuse between batteries- all though it's not near as important as between electronics and most people with large banks don't. |
Gold Member Username: Adddisorder
Palm Beach,
Florida
Post Number: 6129
Registered: Jan-06
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| Posted on Monday, March 31, 2008 - 10:54 pm: |
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if the two batteries are right next to eachother its fine. just keep in mind if your in an accident and the wire gets pinched and broken and their isnt a fuse right on the power wire of the battery close to the terminal chances are your going to end up with a fire. |
Gold Member Username: •cam•
BC
Canada
Post Number: 2369
Registered: Nov-06
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| Posted on Monday, March 31, 2008 - 11:57 pm: |
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If you jump both the positive and negative, don't ground (to the chassis) the second battery as the potential differences (or voltages) could be... different. In that case, I'd add a second ground from the first battery and connect the two positive terminals. However, if it was me (and it was; this is how I did it), I would just connect the positives of your two rear batteries and ground them both to the chassis. |
Gold Member Username: Nd4spd18
Northwest PA
Post Number: 7130
Registered: Jul-06
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| Posted on Tuesday, April 01, 2008 - 02:22 am: |
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No you don't need fuses if the batteries are right next to each other.
When running the positive wire from front to back batteries though, it has to be fused at both ends. This is something people often forget, and fusing only one end is completely useless. |
Silver Member Username: Prozack52
Cincinnati,
2-D615D4 Dia...
Post Number: 263
Registered: Feb-08
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| Posted on Tuesday, April 01, 2008 - 07:32 am: |
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yeah the current battery in the back i grounded to the chassis so im good there and they will not neccessarily be right next to each other so i will fuse the power wire when i jump it the idea of a possibly fire does not go over well with me lol |
Silver Member Username: Prozack52
Cincinnati,
2-D615D4 Dia...
Post Number: 264
Registered: Feb-08
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| Posted on Tuesday, April 01, 2008 - 07:32 am: |
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thanks guys |
Gold Member Username: Adddisorder
Palm Beach,
Florida
Post Number: 6132
Registered: Jan-06
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| Posted on Tuesday, April 01, 2008 - 11:42 am: |
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run a ground connecting all your - front and rear too |
Gold Member Username: Nd4spd18
Northwest PA
Post Number: 7141
Registered: Jul-06
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| Posted on Tuesday, April 01, 2008 - 03:17 pm: |
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Yeah if it's a unibody car you need to do that. Full frame you can get away with grounding to the FRAME, NOT the body. |
