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DrivingZiggy · 05-02-2016, **(Subject: Volvo Electrical )**

(04-27-2016 )Wiseman Wrote: How old is your starter ? Are you sure cables are tight in cable shoes ? I found out mine were looking fine , in reality they were so oxidized and terrible inside , I have to cut them out and install new ones ,and I solder them the right way . Not crimped!!! Alternator cable goes to starter and than via the big one to batteries . There's the culprit for your problem . At least that was mine . Same description , same symptoms . I'm talking about the big cables attached to starter solenoid. If you twist and pull hard enough you'll see what I'm talking about . Don't forget to disconnect batteries before whatever you do !!!

Starter is factory, so 5.5 years. Cables haven't been touched except to clean, so they're as tight as they are. Don't know if that's good enough. But I've had that problem before with another truck, so I know what you're talking about. Got some new cables for that one and then everything was good. So I'll check it out for sure!

(04-27-2016 )Waterloo Wrote: Like Wiseman said, check your cables. I have a 2008 ProStar, and I can tell you the cabling was a mess. The main cable going to the starter from the battery had nearly a foot of exposed copper, that is how it left the factory. All of my cabling on this truck was sporting bare copper under the chassis and all of it was green. I had to replace all of it, including the grounds, all of it, around 80 feet of the stuff. How this passed any kind of QC inspection is beyond me, I'm lucky the truck did not catch fire, it was that bad.

After inspecting the cables I would check the starter, may be time, they do not last forever.

(04-27-2016 )simon999 Wrote: Yeah, and since I have an APU I guess I give the starter more of a workout than it was designed for.
If you hear "click" when you try to start the truck then you have bad starter solenoid. If you have low cranking then its cables, connections, batteries. If you start the truck on cold easy but have problems starting when hot then its also starter solenoid sticking.

No clicking. Just usually a big WHOMP! then a pause of several seconds, then crank like there was never anything wrong.

(04-27-2016 )hhow55 Wrote: https://www.engine-light-help.com/voltage-drop.html

Looks like I've got some studying to do!