|
a device to prevent over-discharging the battery
Quote:
Originally Posted by bcredliner
Never runs long enough to impact the battery at all. Will run about 1 minute and then shutdown then in a minute or so it will run another minute or so, sometimes a third time and thats the max.
|
I installed my electric fan using the switched-power that usually charges the glovebox flashlight (never was installed in mine), so it goes off as soon as I turn off the key. I wanted to run my fan awhile longer, unattended, but feared having the battery drained by the fan (the thermal switches fail sometimes).
I was going to get and install a device to prevent over-discharge, but got side-tracked into other tool, parts, & projects, and was content to monitor the real coolant temperature (not the gauge in the dash) as long as it stayed within limits (fan cuts on at 183F, coolant temperature maintains at 194F).
But, this last conversation reminded me to search my Amazon "save for later" list (sometimes up to 125 items on it) for the device I was going to use: the BlackVue Power Magic Pro. I ordered it just now. 
I also remembered another thread about possible problems with the "sleep" function working if using that device https://xoutpost.com/1016742-post25.html. But that in that thread the quoted poster/user? of the device was wondering if his dashcam, hooked to the device, would affect the sleep mode. I didn't see the conclusion.
However, since the device will be used in conjunction with the thermal trigger for the fan relay, when the thermal switch says OK for the fan shutdown, then the device will not draw any power, and sleep should follow. If the thermal switch fails, then the BlackVue device will shut itself off at the set voltage (I plan to set mine to shut-down at 12.5v; the timed settings of 12 hours and up are not applicable to the fan usage, so they won't be used). I'll report my results (perhaps in a week or so, after the next cold wave passes).
__________________
01 BMW X5 E53,3.0i-5L40E, 7/13/01
topas-blau,Leder-grau,"resto-project car"
Here:
14 Lexus ES350,3.5L-U660E
09 HHR Panel,2.2L-4T45E
04 Chevy 2500HD,6.0L-4L80E
98 GMC Sierra 1500,5.7L-4L60E
Gone:
66 Chevelle Malibu 2dr ht.,327>441c.i.-TH350>PGlide/transbrake
08 Cobalt Coupe,2.2L-4T45E
69 & 75 C10s,350c.i.-TH350
86 S10,2.8L-700R4
73 Volvo 142,2.0L-MT4
72 & 73 VW SuperBeetles,1.6l-MT4
64 VW,1.2l-MT4
67 Dodge Monaco 500 2dr ht.,383c.i.-A727
56 Chevy 210 4dr,265c.i.-PGlide
|