Well in electrical forum those gauges have wiring already wired into a plug that plugs into the back of the gauge. Makes it really easy.
Volt gauge will have 3 wires. A ground, lighting, and switched source which would be ing., the other gauges will have an extra wire for a sending unit. the ground is the ground for both the light and the gauge, others with the prongs on the back, there are two seperate grounds, but it's ok to connect them together and ground them in the same spot. I ground all my gauges to the same spot, this way either they all are grounded, or they are not. Lighting, same deal, I put all the lighing wires on one line, in the same connector butt, to the main lighting wire. Trust me it makes it SOOOO much easier, esp for service if necessary.
I get all my source form behind the radio in the Alero. The brown wire is for lighting and one of the yellow wires is for ign (other is for one of the speakers) You can use other wires, but it's easiest to get to these. Just gotta take on out the radio.
For oil sending unit, stop in Home Depot or Lowes and pick up a 1/8 all female "T" fitting and a male/male threaded 1/8 tube. Each they are like $2. Use teflon tape on all fittings and put the bottom of the T in the block and the oil pressure sending unit on one side and the stock unit on the other
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33% ALEROMOD OWNER!!
2000 Olds Alero 3400 SFI 14.53 @ 94.93
1985 Olds Delta 88 307 SBO 17.96 @ 76.99
2007 Volvo V50 T5 6M 15.782 @ 89.12
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