It could be a bad “black box” on the new cluster wiring. They should send you a new one.

> On Aug 27, 2018, at 1:14 PM, Jim. Felder <jim.felder@GMAIL.COM> wrote:
> 
> (SPOILER AERT--I am not claiming that the foil replacement is bad, just
> looking for advice)
> 
> Installed the vanagon.com south Africa product. Everything fine, got my
> turn signal indicators back immediately. No longer had to treat the
> instrument cluster like a human brain to get it back in the van in working
> order. Love the LED switchover.
> 
> But... not long after the install, the temp LED came on and stayed on. This
> happened about every four times the car is run, and when it happens,
> required going into the hatch and pulling the connector out of the sensor,
> then replacing. Good for another four drives or so. May come on upon
> startup, may wait until I am on the road.
> 
> Swapped out for a spare, new coolant level sensor. No luck.
> Pulled the connector and shorted the pins. No luck.
> Pulled the cluster, reset ll the T14 connector contacts. No luck.
> Checked the ground. No luck.
> Swapped the temp gauge with a known good one from a 1991. No luck (worth
> noting that the gauge in the car had been re-capacitored by David B not so
> many years ago, and had been working perfectly).
> 
> ??
> 
> Contacted Vanagon.org, they are contacting the mfr. I am figuring the test
> procedures they recommend are going to be above my pay grade. Any notion of
> some practical tests that might localize the failure to something?
> 
> Jim