| Re: [GMCnet] Wiring Diagram Question? - Suspension Air Compressor Circuit [message #236246] |
Wed, 15 January 2014 18:48  |
Jim Bounds
Messages: 842
Registered: January 2004
Karma:
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Senior Member |
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Have not read all of this thread but to me, the contacrs in the ignition switch is a bottleneck for current running all of the circuits when including up to as much as 30+ amps drawing throught the compressor of the air ride system. In fact, thre was a bulliten modifying thr feed to the control relay to the computer from the small 10 gauge wire from the engine fuse box to the fuse block for the living area electrical system. It has a 2ga. Cable giving more potential current to the compressor . The compressor will run faster, cooler and thus will last longer. Whenever we install a new compressor, we relocate this power. The control circuit for the system still runs off the engine battery and ignition, only the compressor feed is moved. K feel this is a very important mod,
Jim Bounds
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On Wed, Jan 15, 2014 1:05 PM EST John Heslinga wrote:
>
>
>In addition:
>
>I said that the compressor circuit came from the accessory side of the ignition switch. I should have clarified that it uses the accessory contacts ( the ignition switch has multiple contacts) This set of contacts are only on when the ignition switch is in the run position and not on in the accessory position.
>
>That will make a difference when you use it for some applications.
>
>--
>John and Cathie Heslinga
>1974 Canyonlands 260
>TC4W "Too Cool For Words"
>Retirement Projects Galore
>Edmonton, Alberta
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