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Jerry
Jerry, Master Mechanic
Category: Dodge
Satisfied Customers: 1740
Experience:  ASE Master tech, 30 years exp. troubleshooter, driveability tech
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On a 1997 dodge grand caravan we changed the alternator and

Customer Question

on a 1997 dodge grand caravan we changed the alternator and since then I have lost the radion, the door lock don't automaticly unlock / can you tell me if there hasto be a calculating done and how/
Submitted: 10 months ago.
Category: Dodge
Customer: replied 10 months ago.
also the interior lighting does not come on when doors are open
Expert:  Reggie Whiddon replied 10 months ago.

Try this first remove both battery cables, and clamp them to each other while they are clamped cycle your key through all positions then hook up positive first them negative. Alot of times when a battery or alternator is changed a module can be put in "logic lock" this procedure reboots everything