[BaadAssGremlins] re: amx wiper fuel temp gauge troubleshooting

["Eddie Stakes" <eddiestakes@xxxxxxxxxxxxxxxxxxxx>]

Hi Keith, usually when this happens it is grounding problem. First thing I would do is 
check to see if your block is grounded to crossmember on passenger side at bottom behind 
alt. Many times this ground wire looks to be good but copper inside it is shot, you can 
get new universal engine ground wire at any auto parts store about $5. Then if this didn't 
work, pull your gauges out, then wiper switch too. There is a thin copper ground strap 
that connects LIGHTS and WIPERS switches, it goes around collar, to the dash frame, looks 
like this:

http://www.planethoustonamx.com/restoration/amx-dash-ground.jpg

which is one for the AC. Many times these are broken or outright missing. Alternative to 
missing or broken strap is to make one, easy to use eyelet and run black ground wire to 
something you know if solid ground like braces for steering column on firewall for 
instance. I never thought the copper originals were worth a sh*t to begin with and have 
changed them out on any electric wiper AMX or Javelin I have owned thru years because it 
is a huge safety issue!

Something else you might want to check is fusebox, make sure that both bolts that hold it 
are tight as they do vibrate loose....causing fusebox not to ground. Also I use silicone 
grease (same stuff for spark plugs) on my fuses to make sure good current as in area like 
Houston with high humidity, you have spuuge form on fuses and cause them not to carry 
current. This especially true for gas gauge & temp gauges too, which is another story.

It's rare the Prestolite wiper motor or the electric dash wiper switch go bad....they do 
after all 40 something years old, but not very often. If above stuff don't help, I would 
then focus on the wiper motor, then switch, good luck,

From: Keith Evenson <epd@xxxxxxxxxxxx>

I have a 68 AMX and the other day my wipers would not work at all. Then the next day they 
did, and it has been on and off like that for the last 3 - 4 times I drove it. Does anyone 
have any idea if it might be my switch or would it be the wiper motor going out?

Thanks, Keith
=======================
Eddie Stakes
713.464.8825
eddiestakes@xxxxxxxxxxxxxxxxxxxx
www.planethoustonamx.com



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