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Old 08-08-2008, 09:23 PM   #32 (permalink)
Johnny Mullet
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My car had no radio or cover. I pulled all four buttons straight off the heater controls and the top cover came right out! In there you will find how to wire in the bulb.

Here are what normal vacuum readings should be on a properly working gauge and a properly running engine.............

IDLE - 18-22
DECEL - 22-30
ECONOMY - 10-18
POWER - 0-10

The goal to saving fuel is to monitor it while at cruising speed. Keeping a constant reading like 10-12 will net the best results. While getting up to speed, but never accel hard so it drops below 5 because that is just a waste. Watching it at idle will tell you if the engine is running properly. The gauge should really not fluctuate at idle more than 2, but some gauges are not as accurate as others.
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