94 Mazda 626 low fuel lamp not working

NINGAME

MEMBER
1994 MAZDA 626

Mazda 626 94 130000 2.0 SOHC. I need to locate the dimmer control of the low fuel lamp because is not working. I verified the lamp and it is OK. The sender in the fuel tank is OK too. Can anybody help me? Thanks

Monday, January 15th, 2007 AT 10:44 AM

2 Replies

COSMO

MECHANIC
347 POSTS

There is no dimmer for the light. How did you check the sender and the fuel guage?

Did you hook up and ohms/guage tester to the harness and induce a resistance for the guage to go to full "full" and full 'empty'?

Cosmo. Mazda TEch

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Tuesday, January 16th, 2007 AT 6:05 AM

NINGAME

MEMBER
2 POSTS

I checked the sender with an Ohm tester and the fuel gauge at the panel is indicating the right amount of fuel.
There are four wires to the sender. Two for the fuel pump and two for the sender itself. There is not an auxiliary circuit for the fuel lamp. I assume that an electronic circuit gets the resistance from the sender and (when the fuel is low) turns on the lamp.
When the lamp was working, first started to light very dim and then increased the intensity as the fuel decreased.
I do not know the location of that "circuit" in order to test it.
Hope this can help. Regards,
Martin

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Wednesday, January 17th, 2007 AT 6:31 PM