Stock 55 light switch and EZ wiring harness
#1
Stock 55 light switch and EZ wiring harness
Wiring my truck with a 21 circuit EZ wiring harness. My question is has anyone done this using the stock light switch and this harness. I have the stock diagram, but it doesn't seem that things hook up the same. I have the front and rear left park lights connected where they should be and they also feed the right parks, front and rear. I have a dimmer wire, headlight power and instrument lighting. It seems that something should go on the main power lug that is fused.
Any help or revised diagram would be greatly appreciated.
Any help or revised diagram would be greatly appreciated.
#3
Yes the EZ harness has a plug to plug directly into a GM switch. Your 55 switch is for 6 V pos ground. You will need to swap it for a 56 12V neg ground switch or better yet buy the GM direct plug switch from EZ wire. There may be a way to wire your switch, but I wouldn't trust a 60 year old switch that most of the truck's original wiring was run thru.
#4
#7
Thanks for the input. This is a 12V light switch not the old 6V. I did contact EZ and they advised to put headlight power to the B post. So I did.
I started testing. When I connected the positive cable to the battery, I realized that I had my hazard flashers on, 3 of 4 worked. So with indication. I thought I was good to go. I went to the run position and the electric fan came on as I have it wired, I got the diagnostic sweep of the tach and speedometer and gauges seemed to be working. So with that I decided to switch to start position. Within a second or so, the battery exploded. I have double checked all the connections on the switch and they are correct.
Do any of you know what could cause this. I also have an email into EZ.
Thanks
Pat
I started testing. When I connected the positive cable to the battery, I realized that I had my hazard flashers on, 3 of 4 worked. So with indication. I thought I was good to go. I went to the run position and the electric fan came on as I have it wired, I got the diagnostic sweep of the tach and speedometer and gauges seemed to be working. So with that I decided to switch to start position. Within a second or so, the battery exploded. I have double checked all the connections on the switch and they are correct.
Do any of you know what could cause this. I also have an email into EZ.
Thanks
Pat
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#9
#10
I believe I found my problem. While testing/buzzing wiring. I found that both large posts and the I-post on the solenoid buzz for continuity on the installed solenoid. On a new one which I hope is good. Neither large posts buzz, but the I-post does. I don't think the installed one is fuzzed together. I also need to install the fusible link wire to the red battery wire.
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