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Dan, Technician
Category: Classic Car
Satisfied Customers: 24574
Experience:  2 Year Automotive Diploma, Independent Shop Experience, and Database Access
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I need to confirm original battery hookup is positive ground

Customer Question

I need to confirm original battery hookup is positive ground car has not been changed to negative ground
JA: Have you changed a battery before?
Customer: Yes
JA: What is the make/model/year of your car?
Customer: 1961 BN7 Tri-carb
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: I took out the battery just want to replace
JA: Anything else you want the mechanic to know before I connect you?
Customer: NO
Submitted: 2 months ago.
Category: Classic Car
Expert:  Dan replied 2 months ago.

Hello, my name is ***** ***** I'm here to help get your problem solved.

Expert:  Dan replied 2 months ago.

I'd recommend doing a continuity test between battery ground cable and ground on frame. If it has continuity then you know it is negative ground. IF not, then it is positive ground. Let me know if you have questions, thanks.

Customer: replied 2 months ago.
I took battery out I know it was positive ground, can't convince my son.
Expert:  Dan replied 2 months ago.

I'm not able to supply any information that is going to help convince him but if you do the continuity test that should be enough. Let me know how it turns out or if you have more questions, thanks.

Expert:  Dan replied 2 months ago.

IF you still have old battery you may be able to see wear spots on it which will indicate how it was sitting in engine compartment.

Customer: replied 2 months ago.
Expert:  Dan replied 2 months ago.

No problem, let me know if you need anything else. Thanks again and have a good day.