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Registered
Join Date: May 2003
Location: Finland
Posts: 27
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Start button or hot start relay kit?
I have problems with my starter system when the car is hot. It seems that sometimes there isn't enough current to the solenoid to trigger it.
I have tried to solve the problem but it keeps appearing once and a while. - Battery checks fine - New ground straps - All starter connections cleaned - Ignition switch is new - Solenoid works fine when hotwired I've decided to install either a hot start button or a hot start relay kit to get around the problem. Which one should I use? How and where should I install it? // sk |
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08-12-2003, 11:29 AM
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Hot start relay is my suggestion. Pelican has it. Bosch part # is WR-1 if you look for European sources. Shipping from U.S. would cost more than the part. Dalhems (Sweden) may have it. Comes with instructions, and I think there are a few threads here if you do a search. Pretty easy install--trickiest part is finding a place to mount the relay. I drilled into the shell under the rear seat.
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Dan Morissette '85 Guards Red Targa 911 My Owners Gallery Page Non illegitimi carborundum |
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08-12-2003, 11:56 AM
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Registered
Join Date: Dec 1999
Location: TX USA
Posts: 9,804
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sk,
Almost any standard DIN relay [normally open contacts] could be used. I suggest mounting on the fuse/relay/regulator/CDI-unit panel in the engine compartment. Per the following diagram ... #1 is the battery #2 is the starter #31 is the ignition switch Relay connections: Yellow wire to terminal #50 on starter solenoid -- from ignition switch -- can be intercepted at 14-pin connector ... and wired to relay input, instead -- terminal #86. Ground to terminal #85. Run a heavy wire, 12 ga, from one of the heavy Red wires at the 3-position fuse block to terminal #30 of the relay. Run a heavy, 12 ga Yellow wire from terminal #87 of the relay to terminal #1 of the rear 14-pin connector ... that mates to the engine wiring harness. An option would be to connect a remote starter switch [mounted on the relay/fuse panel] from an unused fuse position to the trigger/control lead of the relay, terminal #86. 
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Warren Hall, Jr. 1973 911S Targa ... 'Annie' 1968 340S Barracuda ... 'Rolling Thunder' Last edited by Early_S_Man; 08-14-2003 at 06:05 AM.. |
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08-13-2003, 09:05 PM
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Registered
Join Date: May 2003
Location: Finland
Posts: 27
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Warren, thank you for the very good instructions.
What if I want to replace the last few feet of the yellow cable from the new relay to the solenoid? How is the original cable routed? // sk |
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08-13-2003, 11:48 PM
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1985 Porsche 911 Targa 3.2
