Monday, Nov 28, 2005 at 08:14
Davoe
Ideally a seperate earth as it is to actually earth the case rather than the 'guts', helps stop interference more than actually stop anything working.
You've got a diesel cruiser from memory so will probably have a loud whine that changes with engine revs when it is running. It is caused by the sender for the oil light, a 1.5uf cap soldered between the centre and the case should stop it.
The interior fan will also cause noise, never bothered trying to shut it up just turned it off.
If you want to be really keen put copper braid (preferably tinned) between the bonnet and body, doors and body and exhaust (at the rear mount) and body. It stops the static buildup when zooming along the road.
A regular 'chopping' noise in the radio reception is usually caused by the CPU in the GPS if it is connected to the same power source.
If you are the habit of running a UHF CB in scan then you may find it stops around chan 35, this can be caused by CPU in HF.
Have fun, get any weird things give me a yell.
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