[Vwdiesel] glow plug relay

Roger Brown r.c.brown at ieee.org
Tue Nov 9 21:19:38 EST 2004


Pam & Doug Boes wrote:
> 
> I just changed all my glow plugs in one Caddy. They were all dead. Now
> I'm getting inconsistent times on my relay light before starting.
> Sometimes it's ten seconds, other times it's more than 30. The
> temperature hasn't been cold, yet (lows in the 40's in the morning). Is
> this a sign that I need to be replacing my glow plug relay?

Check the temp sender both at the head and at the GP relay socket and
make sure it's within spec:
	http://www.4crawler.com/Diesel/CheapTricks/GlowPlugs.shtml
I had a bad connection inside the socket on my '81 and this caused
strange problems with a few relays I tried.  If that all checks out, it
could be a relay that is going bad.

-- 
   Roger


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