2010 Yukon Denali XL starts sometimes and wont start other times. Battery, alternator and starter are all good. Any ideas whats going on??
What is your question?
It would not start this morning. But got back home this evening and it started right up!!! This has happened 3 times. Once we have had to jump it off with cables. It has had a hard time cranking a few times(lugging down)
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Hello,
Start by checking the battery cables and terminals. Even if the battery, starter and alternator are good, a bad cable or terminal (ground and positive) can cause a no start.
Also, ensure the relay does not have excessive resistance. If it does, replace it.
