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Everything posted by htx-em7-2000
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Thank you all for your counsel. It resulted in being short to ground, as JoJo stated. That was outside the cabin, where the windshield wipers rest. We hired a technician that used one of those power probes and waved it around the wiring. And it would make a noise when it detected a short. Now we are going to buy our own power probe because we still have a faulty temperature gauge. Again a sincere appreciation for yalls time, attention, and knowledge.
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Disconnected all the terminals and found that J3 terminal of the VECU when plugged back in 1 by 1 was responsible for the red shutdown light to function. Now when we turn the key the red shutdown light doesnt stop ringing. It lets us turn it on but shuts down seconds after. What did yall want us to do with VECU
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I have been shopping around for the Oil Pressure Sensor for MACK E7 64MT2115. My local MACK quotes me $200 out the door. But the links below have it for half the price and want to make sure they are MACK and not aftermarket. We really prefer to purchase a MACK sensor than an aftermarket. Unless yall advise differently. https://www.woodlineparts.com/products/pai-fsu-0558-mack-64mt2114-oil-pressure-sensor-e7-e-tech-aset https://www.heavydutypros.com/mack-oil-sensor-64mt2114.aspx https://advancetruckpartsusa.com/products/64mt2114-oil-pressure-sensor-for-mack-volvo
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The engine malfunction light is not connected. We had a technician come out and plug into the ECU and only found a speed sensor that needed replacing. We recently removed what I think is the oil pressure sensor 'red circle in the pic' and blew some air into it and cleaned it. As of right now the truck starts and stays on but the engine temp, RPMs, and Speed gauges are not responsive.
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