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i would suspect that the optima is tired. it is drawing too much current and is not charging properly. swap the two batteries and re run the test.

i have one too! a D31M full charge spec is 13.1v hmmm...same age.

i did a more complex power utilization modeling sheet that takes solar and truck charge time into account.....but i cant upload it with a post.

i think the battery is hosed...it should come up above 13 volts in that amount of time.

when the isolator connects the load to the truck charging system the alternator's regulator will attempt to maintain voltage levels by providing current. you already know this. if the load is great enough both the charging system and the truck battery will attempt to provide current as long as...

you should get a 2 meter ham radio. you would have been able to talk to a lot of folks. the ham radio test is really easy, 35 questions, all multiple choice. radio = $120, mag mnt antenna = $35 holy smokes man!

Postman delivered today, and I just happen to open to page 13 and here's a full page picture of what looks like our own KC's rig splashing through a bit of water. If that's you KC, keep that up and you'll need a snorkel like mine. i want to see that. some years ago i had a '93 s-10 blazer...

i guess you could do fast water changes with that too!

is that big enough to hold a crab? a tuna?

it ought to work...that is, to keep your battery topped off. do you have any electronics that are "always on" ? i.e. CO or propane detectors? remote control fan? these items consume a small bit of power. if you do have them the solar cell must be able to exceed their consumption.

what is the product # ? is that vulkem 116 ?

i gave up tryin' to make points a long time ago. they're bad on your driving record.

agreed

is a subforum specific to "PROBLEMS" organized by type, "liner problems", siding problems, LP GAS", etc. possible?. i wonder which one would contain the most traffic?

what has the max charge current been? Specifically, the charge current from truck to camper ... after the camper battery has been run down. i.e. with the camper battery @ low charge, and during the first few minutes after the truck alternator is given the load by the battery isolator thats...

i suppose what would be good is a definitive listing of the true power consumption of the various items, furnace, lights, etc. ....and done with one of these quality measuring devices. i use mine for my amateur radio stuff....i run on batteries a lot. i was thinking that i would wire a...

clamp on amp meters are less accurate at low current readings. it my not be a problem....do you have a DVM that can be put in series with the battery for testing? ...with a 10 amp scale? check this out... http://www.powerwerx...-dc-inline.html this gives very accurate real time power...

pull all the circuit fuses....leave the main fuse in place. put your meter on the battery. add fuses back in until you indentify the specific circuit drawing power. let us know what you find. divide and conquer!

i knew it...since without the iq4 the iota converter puts out 13.5v....i agree that its a good thing......but since i have a solar unit i let that take care of the battery. 14v would be too high for a sustained period of time.

good idea, i am commencing work... 14v while on shore power? do you have the smart charger add-on?

just a reminder: here in Sacramento we have had a good break in the rain. I went out and opened up the Hawk and found a little mold. The unit is all popped up now, the fans are going, and I hit the little mold patches with Lysol. Spring is coming so now is the time....be on the lookout! fyi...

Why do you say it is a good to charge a towable but not a camper? i think that you can connect anything you want but i also believe that anything connected should provide a mechanism to isolate itself from the vehicle and not provide a discharge path. unless the vehicle charging system is...

i would say that the snow is going to limit your options.....a lot as most national forests could be difficult to traverse at higher elevations. head up to the redwood coast....the further north you go the less people you will see. we have stayed in some of the state parks this time of year and...

i was thinking about installling a power consumption monitoring device and was curious about a specific detail of the wiring. the camper battery has two cables connected. i would assume that one cable goes directly to the battery isolator. the other would go directly to the 12v distribution...

here is another mess.. http://news.bbc.co.uk/2/hi/europe/7869995.stm