please help

[Catfish]

I am new to ls1.com i have a 98 a4 z28. i just recently put lt headers and true duals with a x pipe. i took off the egr and and the vacuum hose that goes to the compressor runs to the top of the heads runs great but the thermostat gauge in the car has stopped working any help??

[2001NBMZ28]

Temp gauge not reading? My guess would be you left the ECT sensor unplugged or damaged it during the header install. It's located on the drivers side head, right by #1. '98 has a 3 wire sensor and uses one wire for the gauge.

[Catfish]

thanks im gonna check that if its damaged any idea the cost?

[lsmaxxed]

i had the same problem mine was the plug on the head. it was unplugged. dohh

[Catfish]

that was it thank you