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splice into electric system

clydizzel

New member
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1
Location
Carthage Illinois
Hello i have recently bought a 1990 m923a2. I want to put some electrical accessories in it. My question is is there a place to hook into the system so that they will turn off with the battery switch or should I hooknthem onto the battery and run seperate switches? I would prefer to find some sort of terminals to hook to so the battery shutoff switch runs it. Thanks in advance
 

R Racing

Active member
2,767
16
38
Location
St. Leonard, MD
I hooked mine off of the batteries and used fuses to the switches. Ericks sells the connectors to tap into the existing harness. But you have to realize that everything in the truck is on brakers that are matched to the factory electric system. So anything you add could cause you issues if you don't come off of the batteries
 

Plugugly

New member
116
1
0
Location
Iowa
I was going to pose a similar question, I wanted to know where people were tapping in so I could get power to switch a relay.
 

Al Harvey

Active member
1,152
19
38
Location
Dover, TN
Don't forget its 24v if your adding 12v accessories. If you hook to the battery use the positive and ground off the same battery. FYI
 

clydizzel

New member
19
0
1
Location
Carthage Illinois
I am running a 24 volt hydraulic pump and a radio with a 24 to 12v converter. I have them hooked to the battery now so i guess i will put in seperate fused switches then. Thank you for the input
 

porkysplace

Well-known member
Steel Soldiers Supporter
9,604
1,488
113
Location
mid- michigan
Your going to need to add a relay / solenoid to handle the draw for both of them . So a 3 way plug from existing wiring to power the switch for the relay / solenoid will have very little draw.
 

crolfe1984

New member
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0
0
Location
Baltimore, MD
Check out my thread here: http://www.steelsoldiers.com/showthread.php?132758-My-First-M923A2-Mod-Rear-Flood-Lights

For power I ran right off of the battery with an in-line fuse. You can pop in whatever amp fuse you like and its in a water tight rubber holder for good measure. I'd say running the cable was the hardest bit.

With a little creativity you too can make a custom power/switch panel. Just be sure to use heavy duty switches for high load applications!
 

Artisan

Well-known member
2,761
227
63
Location
CDA Idaho
Look at the electrical schematic. My A1 had two empty rubber plugs
for future stuff under the dash. One is for a beacon light set up if
I remember right, about center of the dashboard and the other
was on the DS, I think it was for a tractor to power switching
fuel tanks I think.
 

m715mike

Well-known member
2,797
3,823
113
Location
Montgomery, Texas
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