Re: [AMC-list] amx wiper fuel temp gauge troubleshooting

[Ken Ames <ameskg@xxxxxxxxx>]

I have an 80 Spirit that had the wipers quit. It was the ground strap between
the wiper motor and the wiper motor mounting plate. The motor is mounted on
rubber so it moves a little on every swipe. The ground strap is a wrinkled bit
of copper and it finally flexed too many times. 

Ken 


Quoting 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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