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rlrich · 05-24-2022, 11:56 AM

2006 Seabreeze 1321 F53 chassis.

I have a serious intermittent electrical problem that left me stranded needing a tow truck. First time on the hooker. Here's the story hoping someone might have an idea. I'm safely sitting in truck repair yard waiting for service, could be a few days so I have time to tinker.

Drove in rain for couple of hours. Stopped to fuel. Side marker lights remained lit with everything off. Never seen that before. Anyway, finished fueling and it started fine. Pulling up to stop sign it quit running and all the warning lights came on. Turn ignition to start and nothing. Everything electrical seemed to work except the starter and the stabilizing jack's. Jack lights blink like when you forget to set brake. Sat with flashers on for couple hours waiting for tow truck. Recently installed chassis battery was showing 12.2 volts with key off like something was causing a draw. House batteries were normal at 12.6 volts. All battery terminals recently cleaned.

Towed to truck repair shop. After sitting a few hours coach started and all is normal, other than side marker lights are now very dim. Something must have dried out.

Still going to let truck shop look at it when they can get it in, in a couple days unless I can find something obvious. Doubt they'll be able to determine problem now that all is working. Intermittent electrical problems are the worst.

Thanks for reading.

MrMark52 · 05-24-2022, 01:39 PM

You need to find the chassis wiring diagram and locate all the chassis plug connectors. Separate the 2 halves, clean and wipe with WD40, apply a little dielectric grease and reassemble. Make sure they are tightly reconnected.

Check that the tires are not in some way splashing water up on to a connector, or that water is somehow being deflected toward a connector.

While your in there, check all your chassis grounding points. I doubt that is where the problem is but if your having issues with power side connectors, it's very possible the chassis connections could be marginal.

GMoore · 05-25-2022, 04:20 PM

Rain ingestion was an early F53 problem, guess it could still happen.
There was even a TSB issued on the problem. The cause is water splashing up from the front wheel and getting the air filter wet.
Description and TSB.
F53 - TSB air intake reduces water ingestion - 1999 Southwind 35S

http://1999southwind.com/DOWNLOAD/F5...ke_4-24-22.pdf