1st Gen Ram Tech '93 & older Rams: This section is for TECHNICAL discussions only, that involve 1993 Rams and older. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.

A/C help

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Old Aug 26, 2023 | 08:11 PM
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Default A/C help

Good evening fellow 1st Gen owners. I have a simple question. Where is the low-side A/C charging port on a 1993 D150 3.9L? I have one black cap over by the left side of the engine compartment and one silver cap on the compressor. Any and all help is appreciated in advance.
 
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Old Aug 27, 2023 | 08:50 AM
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Black cap should be low side. One on the compressor is high side.
 
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