Secondary air pump 40amp relay FIX

September 9, 2017

10

0

0 2017/09/09 07:04:27 waldig

Relay board with the burnt air pump relay on end - right end

Relay board with the burnt air pump relay on end - right end

0 2017/09/09 06:59:58 waldig

Unsoldering the board connections

Unsoldering the board connections

0 2017/09/09 07:00:50 waldig

Removed relay, see the burned contact

Removed relay, see the burned contact

0 2017/09/09 07:01:21 waldig

Showing the FET transistor heat sink ( wont work) under the new relay and on the right the old relay for comparison

Showing the FET transistor heat sink ( wont work) under the new relay and on the right the old relay for comparison

0 2017/09/09 07:02:01 waldig

Close up of board showing snubber resistor and board without relay - removed

Close up of board showing snubber resistor and board without relay - removed

0 2017/09/09 07:02:29 waldig

HUBBA HUBBA look at the running current of the air pump and this is LOW, engine is off - battery only 12.5v

HUBBA HUBBA look at the running current of the air pump and this is LOW, engine is off - battery only 12.5v

0 2017/09/09 07:01:48 waldig

Presoldered yellow - bare wire for #87 and Red lead for #86. NOTE RIGHT COPPER STRIP ON EXTREME RIGHT. This is where #30 is soldered, note #85 has blue coil wire on it prewired.

Presoldered yellow - bare wire for #87 and Red lead for #86. NOTE RIGHT COPPER STRIP ON EXTREME RIGHT. This is where #30 is soldered, note #85 has blue coil wire on it prewired.

0 2017/09/09 07:02:56 waldig

Coil wire blue soldered to board where it is convenient

Coil wire blue soldered to board where it is convenient

0 2017/09/09 07:03:45 waldig

Finished installation with resistor mounting shown

Finished installation with resistor mounting shown

0 2017/09/09 07:03:22 waldig