Trickle Charger/Jump Starting D90 - Defender Source
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  #1  
Old January 4th, 2013, 03:52 PM
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Michael Christian
97 D90 ST British Racing Green
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Trickle Charger/Jump Starting D90

Newbie here as it pertains to jump starting my D90. I let it go too long without driving and the cold zapped the battery (installed a new one in April- a OPTIMA Red top). Still dead as a doornail. Any special tricks to jump starting, the only reason that I ask is that I have other cars that have special terminals or positions to jump start or if you don't you risk frying the electrical. Any tips?

Also does anyone have a trickle charger on their D90? If so I would like to know how or see pictures of the set up. I have done it to my other cars but can't figure out how to do this without compromising the off road/water traversing capabilities. Any suggestions?

thank you in advance,

Michael
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  #2  
Old January 4th, 2013, 03:56 PM
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evilfij
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1. Just jump it. No big deal. Nothing special other than long cables help due to the location of the battery and I am sad to admit I have done it a dozen or more times.

2. I had one, but water got into the seat box area and fried it. My fault, of course .... If your seat box is water tight, it should be no big deal to mount one.
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Old January 4th, 2013, 04:12 PM
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Chris
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Optimas hate not being used. Having had them, I'm back to normal lead acid. The one Optima I have left, lives on trickle charger just to keep it happy. It gets used periodically for jump starting and a 12v compressor.
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Old January 4th, 2013, 04:29 PM
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Jeff Labbé
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Nothing is different when it comes to jump start it. I have had no problems with my Optima set up so far. I'm proud to say I jump start other as often as I get jump start! The truck's my daily driver and when it sits for a bit, I connect a charger to it but only in winter as I use both webasto (engine preheater and cab heater) to keep my buttox warm!
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Old January 4th, 2013, 04:43 PM
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Quote:
Originally Posted by Rocky View Post
Optimas hate not being used. Having had them, I'm back to normal lead acid. The one Optima I have left, lives on trickle charger just to keep it happy. It gets used periodically for jump starting and a 12v compressor.
Yup. Me too. No more optimas. Interstate giant lead acid batteries for me.
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Old January 4th, 2013, 05:54 PM
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Jason Lavender
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As Ron said, large Interstate (it's in all my vehicles). I'd also highly recommend the CTek 3300 (also on all my vehicles):
http://www.amazon.com/Multi-12-Volt-.../dp/B000FQBWCY
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  #7  
Old January 4th, 2013, 06:27 PM
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Bill Adams
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Quote:
I let it go too long without driving and the cold zapped the battery
Probably not. It probably discharged thru a voltage leak or from a long period of disuse. The cold simply made it more difficult for the battery to operate. You should have it load tested to see if it is still OK. You can do that at most any auto parts store. If it does check out, charge it fully and then keep it indoors if you store it for months at a time. At regular intervals, say every month, put it on the charger.
Trickle chargers are, to my mind, about worthless. They don't put out enough amps to really zap the battery back to life, and they give you a false sense of security. Get a regular battery charger and leave the trickle charger for the luddites.
Again, check the battery. It should be about 13.5 volts at rest, and when the engine is running you should see 14.4 volts. If it is below that then it is discharged. A battery is considered dead if it falls below 12V.
I believe there are instructions on the Optima website on how to equalize (a high voltage charge far above the bulk charge rate) a "dead" Optima. If not call them and ask.
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Old January 5th, 2013, 09:02 PM
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Michael Christian
97 D90 ST British Racing Green
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Thanks to all for the replies and advice! I did have the battery checked out today and it is fine just sitting idol for a month drained it. I have a rather thirsty stereo in my truck that may have contributed to the demise.

I took it up to my mechanic today to have a trickle charger put on it like I do for my other cars. I have been putting this off because I could not figure out how to do this with the battery being under the seat. I think that my mechanic has a few tricks up his sleeve on this one. I park my D90 outside some so I will have to rig up a outdoor drop cord that will snake under the cover and through the door seal to reach the trickle charger and place it on the floor board. When it is inside the garage I can leave it outside the truck.

It is funny how one little thing will turn into a laundry list. I took my OCD friend with me to the mechanic and after they were done they had a page of 'to do' items for my truck. Since the shop is a good 35 min drive from my house I guess while I have it up there I will have him do it all and get ready to drive it in the spring.

thanks again,

Michael
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