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Jeep Wrangler TJ Engine Battery Install

12. The second Optima battery was installed in the top tray and the top clamp was installed to secure it in place. Later model Jeep TJ owners may need to relocate the PCM box on its factory mount to create ample space for the dual battery setup.
Jeep TJ Dual Battery Tray - Doubling Up

 12. The second Optima battery was installed in the top tray and the top clamp was installed to secure it in place. Later model Jeep TJ owners may need to relocate the PCM box on its factory mount to create ample space for the dual battery setup.  View Related Article

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