03 tahoe a/c

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angel.arteaga

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Hello, I had not been to the forum in the longest time and it feels good to finally have a chance to log on again and share info with fellow CHEVY/GMC owners.

I have an 03 HOE and the A/C Blower motor Resistor gave out after 10 years of service. I did some research and it turns out that the Blower Motor itself along with the Blower Motor resistor and Pigtail Connector are a common problem in GM vehicles.

I replaced the Blower Motor Resistor itself and left the OEM Pigtail Connector in tact. Sure enough down the road the OEM Pigtail Connector overheated and melted both the Pigtail Connector Harness along with the Blower Motor Resistor that I had recently replaced.

I ordered a new Blower Motor Resistor and this time also ordered the Pigtail Replacement Harness. I thought I'd share the precautions I took with the forum to save you guys some money of replacing the Pigtail Connector everytime it overheats and melts since it is a common issue with GM.

Upon wiring in the new Pigtail Connector, Instead of using Butt Connectors I Crimped a (+) Positive Female Speaker Terminal to the end of EACH wire on BOTH the OEM side and the new Pigtail side. The purpose of this is to add an in line 10a fuse to each wire. On the OEM side there will be a "Red" wire and a "Black" wire. BOTH of these wires will take a 15a fuse each. Every other wire will take a 10a fuse each. On the Aftermarket Replacement Pigtail Connector the wires will only be black and white. By doing this, Next time the wires over heat the fuse will simply pop and it will be easier to replace just the fuse versus replacing the resistor and the connector again.

Most of you have probably already thought of this Idea before but I still thought I'd share it with the forum. Pics will be Posted......
 

Rivieraracing

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Great idea for sure, haven't ran across this problem in my truck so far but you never know! Nice to see you back on as well!!
 
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angel.arteaga

angel.arteaga

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Likewise dude, You might also wanna know that after 150k Miles it is STRONGLY reccommended that the Blower Motor Itself be replaced as it starts to give out right around this time.
 

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