m1-atx probs

**chutz** · 04-11-2005, 01:38 PM

hi all,fitted pc in truck,put power to j11
ignition to j12
negative to j13
turn key on pc powers up soon as i crank truck pc turns off same happens when i turn truck off,got jumper on(b)5secs/2 hours.
cheers so it crashing windows every time it does this

**Change** · 04-11-2005, 01:49 PM

Umm...let's see...if I have properly deciphered your message, the PC powers on when you set the key to accessory or on, but shuts off when you crank the engine. Sounds like you need larger gauge wire from the battery to the power supply.

**chutz** · 04-11-2005, 02:16 PM

i used the wires from my old stereo 12 and ing

**Change** · 04-11-2005, 02:52 PM

"12 and ing"? Huh? Can you be a bit more descriptive?

Stock stereo wires are going to be a bit small for this power supply, for +12V and ground you REALLY want to run larger-gauge wire (around 10ga) to the battery.

**chutz** · 04-11-2005, 05:21 PM

sorry,12 volt and 12volt ignition from old truck stereo

**Change** · 04-11-2005, 07:40 PM

Go ahead and use the ignition lead from the old stereo, but definitely get larger-gauge power cables run to the battery. There's likely too much voltage drop on the smaller gauge stock cables when you crank the engine, that's why the power supply is cutting out.

**chutz** · 04-12-2005, 02:20 AM

cheers for that,just 1 more ?,getting interferance on monitor and through speakers when truck is running.

**Curly_cat** · 04-12-2005, 03:09 AM

Also, in my car, when you crank the engine, the power to the radio is cut anyway. I agree that you need the power cable run directly from the battery.

**chutz** · 04-12-2005, 12:52 PM

lead from battery now and working fine

**WebDog** · 04-12-2005, 12:57 PM

good to hear.

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