I am doing a lot of different things to my 83 GMC SWB 2wd auto right now. If you haven't read any of my other posts here is a snapshot of work to be done.
Swap 305 for a 350 (on engine stand now waiting for mor parts)
Put factory 98 serpentine belt setup on (still have to buy water pump, alternator, power steering pump, pulleys, ac compressor, hoses, and bolts). This means I only have the brackets, tensioner, and idler.
Install electric fans
Fix all rust (currently working on this and am thinking about dropping it off at the body shop). Wait you have to have money for that.
Install aftermarket gauges in factory location. (I have Auto Meter 5" tach and 5" speedo and 2 1/8" fuel, water, oil, volt gauges)
Upgrade headlights (maybe just relay setup, but I'd like to go with that and newer halogen setup with the removable bulbs)
Ok I'll stop and get to my questions.
Upgrading the alternator: I have looked into the posts and online. I will probably just splice the new connector on instead of using the adapter. I'll also run new wires to junction block and starter. This will be part of cleaning things up. My question is with changing to aftermarket speedo and tach I will lose the volt engine volt light on startup. According to this no problem just use the resistor connector but that is for the loss of light or using LEDs. This wire is supposed to energize the alternator. Where do I hook the other connector wire to. Is there a wire I can find in the gauge bundle or can I use something else. I hope this question makes sense.
There will be more wiring questions I'm sure. I should have taken all my posts and put them in one build post.
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