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No Power

This is a discussion on No Power within the Lighting, Stereo and Electrical forums, part of the Technical category; Here's the deal. I installed the large battery kit for my RZR and had a left over generic optima battery that I placed in there. ...


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Old July 13th, 2010, 05:29 AM
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No Power

Here's the deal. I installed the large battery kit for my RZR and had a left over generic optima battery that I placed in there. The battery had sat for a year (unfortunately) but I thought it should still have some life left because I bought it new.
Anyways I noticed if I let the RZR sit for more than a day, I had to jump the battery to get it started (I wanted to buy a new battery next paycheck). So this last time I jumped it when I removed the jumper cables it shut off. I went to turn it over again and no luck. I was frustrated so I went out that day and bought an Optima battery. After installing the battery I turned the key to prime (power was on) but when I went to turn for ignition all power went out. I checked the battery all is good, all wires and connections at the battery are good (ground good). Starter fires like a champ when a direct wire to the positive on the battery.
I have not put a multitester (need to get one) to the voltage regulator or alternator and to truly test the alternator I probably need to take it out and get it tested at an auto parts store. However I am guessing it is the voltage regulator, because if it was the alternator wouldn't I get some power DC from the battery and when I went to turn the key to turn over the engine then it would be a no go?
FYI my voltage regulator is located in front of the radiator?
ANy suggestions or advise is welcome
THX
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  #2  
Old July 13th, 2010, 06:12 AM
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Re: No Power

Quote: Originally Posted by polaristracker View Post
Here's the deal. I installed the large battery kit for my RZR and had a left over generic optima battery that I placed in there. The battery had sat for a year (unfortunately) but I thought it should still have some life left because I bought it new.
Anyways I noticed if I let the RZR sit for more than a day, I had to jump the battery to get it started (I wanted to buy a new battery next paycheck). So this last time I jumped it when I removed the jumper cables it shut off. I went to turn it over again and no luck. I was frustrated so I went out that day and bought an Optima battery. After installing the battery I turned the key to prime (power was on) but when I went to turn for ignition all power went out. I checked the battery all is good, all wires and connections at the battery are good (ground good). Starter fires like a champ when a direct wire to the positive on the battery.
I have not put a multitester (need to get one) to the voltage regulator or alternator and to truly test the alternator I probably need to take it out and get it tested at an auto parts store. However I am guessing it is the voltage regulator, because if it was the alternator wouldn't I get some power DC from the battery and when I went to turn the key to turn over the engine then it would be a no go?
FYI my voltage regulator is located in front of the radiator?
ANy suggestions or advise is welcome
THX
Check your starter / brake switch located under the seat on the main frame rail behind the battery... Also check the sarter diode on the fire wall by the fuse box...
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Old July 13th, 2010, 06:48 AM
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Re: No Power

yep, if the battery is new and has 12 - 14 volts, and the starter will turn over when you direct wire it, but not with the key, then it's not the voltage reg. or alternator. Alternator only keeps the battery charged.

If you have a continuity tester, you can test the ignition switch.

When looking at the back of the switch, you should see 6 pins on the switch... call these, from left to right, a - f.
- with the switch in off position, you should have continuity between e and f (last two pins).
- with the switch in on position, you should have continuity between c and d (middle two pins).
- with the switch in on position, you should have continuity between a and f (first pin, last pin).
- with the switch in start position, you should have continuity between a and b (first two pins).
- with the switch in start position, you should have continuity between c and d (middle two pins).

Also, when you direct wired it, did you go to the starter, or the starter solenoid? if you follow the heavy positive wire back for the starter, you should come to the solenoid (sorry, I'm not sure where it is located). there should be 2 heavy gauge wires connected, and a plug with 2 small gauge wires. if you unplug the small wire and put 12volts to on, and ground to the other, will the starter turn? if not, thats your problem.
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