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Old October 6th, 2008, 02:06 PM   #1
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Default Need help installing gauges in my 1985 Chevy K10

Just picked up a 1985 Chevy K10. It has Sunpro Sport gauges in it but only the oil pressure one is installed. It didn't come with any instructions or diagrams but I'm sure someone here has done it before and can point me int he right direction. For what it's worth the motor is a 350, Weiand (sp?) intake and Edelbrock carb.

1. Mechanical Water Temp. Where do I install the sensor? I found a pipe plug in the PS of the block. Would that be where it would go? Is it the correct thread? How do you keep it from leaking? The sensor looks like would leak unless something was pushing against it from the other side.

2. Voltmeter. Two posts on the back. Do I have to reroute the wire from the back of the alternator to it or just tap into the wire somewhere?

Thanks for your help in advance. Once the sun comes out I'll take some pictures of the hookups.
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Old October 6th, 2008, 02:52 PM   #2
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#1 the fittings that come with the mechanical gauge will probably adapt just fine to the plug you describe in the engine. As long as it is an actual coolant passageway. When the fitting above the temp probe is threaded down it will lock the probe in place and won't leak. If you are missing some parts I think advanced and autozone sell the stuff to do it..

#2 the voltmeter just needs switched ignition power, tap into any wire that has 12V when the key is in the run position. One post is power, the other post is ground.

#3 I'm sure you will ask this, the lights for the gauges are pretty simple as well..Grab a wiring diagram and find a wire that will have power when the light switch is activated. Verify its the right one by twisting the dimmer and you will see the voltage start dropping off. Keep in mind you will want to fuse this stuff. The little wires on the bulbs are probably 22-24awg, I'd slap on a 5A fuse just to be safe.

Hope this helps
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Old October 8th, 2008, 11:51 AM   #3
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i think it needs the adapter for the temp i didnt get it with the truck when i bought it though

the wire on the driver side head, i had ran through the plug loom is the temp sensor if you are eliminateing the stock gages it will be fine there

Last edited by beaterk5; October 8th, 2008 at 11:54 AM.
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