Also check the smaller red positive battery cable where it bolts to the under-hood fuse box. Shine up the terminal with sandpaper and be sure the nut is tight. Do the same for the smaller black negative battery wire that bolts to the body.
To do the voltage drop tests Dan_K suggested, that must be done while the problem is occurring, otherwise there won't be a defect to be found.
Friday, October 14th, 2011 AT 2:53 AM