# 2004 Dodge Durango transfer case

**URL:** <https://community.cartalk.com/t/2004-dodge-durango-transfer-case/126247>\
**Category:** Maintenance/Repairs\
**Tags:** dodge, durango\
**Created:** [October 5, 2018, 11:33pm UTC](https://community.cartalk.com/t/2004-dodge-durango-transfer-case/126247 "2018-10-05T23:33:40Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![donibsen](https://avatars.discourse-cdn.com/v4/letter/d/977dab/32.png) [@donibsen](https://community.cartalk.com/u/donibsen)\
**Post date:** [October 5, 2018, 11:33pm UTC](https://community.cartalk.com/t/2004-dodge-durango-transfer-case/126247/1 "2018-10-05T23:33:40Z")

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The transfer case on this vehicle goes into “4 lock” when switch is in AWD. How can I tell if it a selector switch, encoder motor, low oil, or encoder motor electrical connection problem?

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**Author:** ![Dean-in-Des-Moines](https://avatars.discourse-cdn.com/v4/letter/d/8e8cbc/32.png) [@Dean-in-Des-Moines](https://community.cartalk.com/u/Dean-in-Des-Moines)\
**Post date:** [October 6, 2018, 11:35am UTC](https://community.cartalk.com/t/2004-dodge-durango-transfer-case/126247/2 "2018-10-06T11:35:56Z")

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It isn’t probably what you want to hear, but I recommend starting with a wiring diagram and a test light. There is no better way to verify wiring integrity than running some current through it.